19907614720

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^2$

素因数の和:130

約数の個数: 432

約数和(自身を含む): 59921512560

約数和(自身を除く): 40013897840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 112, 119, 124, 128, 136, 140, 155, 160, 170, 217, 224, 238, 248, 256, 272, 280, 289, 310, 320, 340, 434, 448, 476, 496, 512, 527, 544, 560, 578, 595, 620, 640, 680, 868, 896, 952, 961, 992, 1024, 1054, 1085, 1088, 1120, 1156, 1190, 1240, 1280, 1360, 1445, 1736, 1792, 1904, 1922, 1984, 2023, 2048, 2108, 2170, 2176, 2240, 2312, 2380, 2480, 2560, 2635, 2720, 2890, 3472, 3584, 3689, 3808, 3844, 3968, 4046, 4216, 4340, 4352, 4480, 4624, 4760, 4805, 4960, 5120, 5270, 5440, 5780, 6727, 6944, 7168, 7378, 7616, 7688, 7936, 8092, 8432, 8680, 8704, 8959, 8960, 9248, 9520, 9610, 9920, 10115, 10240, 10540, 10880, 11560, 13454, 13888, 14336, 14756, 15232, 15376, 15872, 16184, 16337, 16864, 17360, 17408, 17918, 17920, 18445, 18496, 19040, 19220, 19840, 20230, 21080, 21760, 23120, 26908, 27776, 29512, 30464, 30752, 31744, 32368, 32674, 33635, 33728, 34720, 34816, 35836, 35840, 36890, 36992, 38080, 38440, 39680, 40460, 42160, 43520, 44795, 46240, 53816, 55552, 59024, 60928, 61504, 62713, 63488, 64736, 65348, 67270, 67456, 69440, 71672, 71680, 73780, 73984, 76160, 76880, 79360, 80920, 81685, 84320, 87040, 89590, 92480, 107632, 111104, 114359, 118048, 121856, 123008, 125426, 129472, 130696, 134540, 134912, 138880, 143344, 147560, 147968, 152320, 153760, 158720, 161840, 163370, 168640, 174080, 179180, 184960, 215264, 222208, 228718, 236096, 243712, 246016, 250852, 258944, 261392, 269080, 269824, 277729, 277760, 286688, 295120, 295936, 304640, 307520, 313565, 317440, 323680, 326740, 337280, 358360, 369920, 430528, 444416, 457436, 472192, 492032, 501704, 517888, 522784, 538160, 539648, 555458, 555520, 571795, 573376, 590240, 591872, 609280, 615040, 627130, 647360, 653480, 674560, 716720, 739840, 861056, 914872, 944384, 984064, 1003408, 1035776, 1045568, 1076320, 1079296, 1110916, 1111040, 1143590, 1146752, 1180480, 1218560, 1230080, 1254260, 1294720, 1306960, 1349120, 1388645, 1433440, 1479680, 1722112, 1829744, 1888768, 1944103, 1968128, 2006816, 2071552, 2091136, 2152640, 2221832, 2222080, 2287180, 2293504, 2360960, 2460160, 2508520, 2589440, 2613920, 2698240, 2777290, 2866880, 2959360, 3444224, 3659488, 3777536, 3888206, 4013632, 4143104, 4182272, 4305280, 4443664, 4574360, 4587008, 4721920, 4920320, 5017040, 5178880, 5227840, 5396480, 5554580, 5733760, 6888448, 7318976, 7555072, 7776412, 8027264, 8364544, 8610560, 8887328, 9148720, 9174016, 9443840, 9720515, 9840640, 10034080, 10357760, 10455680, 11109160, 11467520, 13776896, 14637952, 15552824, 16054528, 16729088, 17221120, 17774656, 18297440, 18348032, 18887680, 19441030, 20068160, 20715520, 20911360, 22218320, 22935040, 29275904, 31105648, 32109056, 33458176, 34442240, 35549312, 36594880, 37775360, 38882060, 40136320, 41822720, 44436640, 45870080, 58551808, 62211296, 64218112, 68884480, 71098624, 73189760, 77764120, 80272640, 83645440, 88873280, 91740160, 117103616, 124422592, 128436224, 142197248, 146379520, 155528240, 160545280, 167290880, 177746560, 234207232, 248845184, 284394496, 292759040, 311056480, 321090560, 355493120, 497690368, 568788992, 585518080, 622112960, 642181120, 710986240, 995380736, 1171036160, 1244225920, 1421972480, 1990761472, 2488451840, 2843944960, 3981522944, 4976903680, 9953807360, 19907614720]

約数ペア:

[(1, 19907614720), (2, 9953807360), (4, 4976903680), (5, 3981522944), (7, 2843944960), (8, 2488451840), (10, 1990761472), (14, 1421972480), (16, 1244225920), (17, 1171036160), (20, 995380736), (28, 710986240), (31, 642181120), (32, 622112960), (34, 585518080), (35, 568788992), (40, 497690368), (56, 355493120), (62, 321090560), (64, 311056480), (68, 292759040), (70, 284394496), (80, 248845184), (85, 234207232), (112, 177746560), (119, 167290880), (124, 160545280), (128, 155528240), (136, 146379520), (140, 142197248), (155, 128436224), (160, 124422592), (170, 117103616), (217, 91740160), (224, 88873280), (238, 83645440), (248, 80272640), (256, 77764120), (272, 73189760), (280, 71098624), (289, 68884480), (310, 64218112), (320, 62211296), (340, 58551808), (434, 45870080), (448, 44436640), (476, 41822720), (496, 40136320), (512, 38882060), (527, 37775360), (544, 36594880), (560, 35549312), (578, 34442240), (595, 33458176), (620, 32109056), (640, 31105648), (680, 29275904), (868, 22935040), (896, 22218320), (952, 20911360), (961, 20715520), (992, 20068160), (1024, 19441030), (1054, 18887680), (1085, 18348032), (1088, 18297440), (1120, 17774656), (1156, 17221120), (1190, 16729088), (1240, 16054528), (1280, 15552824), (1360, 14637952), (1445, 13776896), (1736, 11467520), (1792, 11109160), (1904, 10455680), (1922, 10357760), (1984, 10034080), (2023, 9840640), (2048, 9720515), (2108, 9443840), (2170, 9174016), (2176, 9148720), (2240, 8887328), (2312, 8610560), (2380, 8364544), (2480, 8027264), (2560, 7776412), (2635, 7555072), (2720, 7318976), (2890, 6888448), (3472, 5733760), (3584, 5554580), (3689, 5396480), (3808, 5227840), (3844, 5178880), (3968, 5017040), (4046, 4920320), (4216, 4721920), (4340, 4587008), (4352, 4574360), (4480, 4443664), (4624, 4305280), (4760, 4182272), (4805, 4143104), (4960, 4013632), (5120, 3888206), (5270, 3777536), (5440, 3659488), (5780, 3444224), (6727, 2959360), (6944, 2866880), (7168, 2777290), (7378, 2698240), (7616, 2613920), (7688, 2589440), (7936, 2508520), (8092, 2460160), (8432, 2360960), (8680, 2293504), (8704, 2287180), (8959, 2222080), (8960, 2221832), (9248, 2152640), (9520, 2091136), (9610, 2071552), (9920, 2006816), (10115, 1968128), (10240, 1944103), (10540, 1888768), (10880, 1829744), (11560, 1722112), (13454, 1479680), (13888, 1433440), (14336, 1388645), (14756, 1349120), (15232, 1306960), (15376, 1294720), (15872, 1254260), (16184, 1230080), (16337, 1218560), (16864, 1180480), (17360, 1146752), (17408, 1143590), (17918, 1111040), (17920, 1110916), (18445, 1079296), (18496, 1076320), (19040, 1045568), (19220, 1035776), (19840, 1003408), (20230, 984064), (21080, 944384), (21760, 914872), (23120, 861056), (26908, 739840), (27776, 716720), (29512, 674560), (30464, 653480), (30752, 647360), (31744, 627130), (32368, 615040), (32674, 609280), (33635, 591872), (33728, 590240), (34720, 573376), (34816, 571795), (35836, 555520), (35840, 555458), (36890, 539648), (36992, 538160), (38080, 522784), (38440, 517888), (39680, 501704), (40460, 492032), (42160, 472192), (43520, 457436), (44795, 444416), (46240, 430528), (53816, 369920), (55552, 358360), (59024, 337280), (60928, 326740), (61504, 323680), (62713, 317440), (63488, 313565), (64736, 307520), (65348, 304640), (67270, 295936), (67456, 295120), (69440, 286688), (71672, 277760), (71680, 277729), (73780, 269824), (73984, 269080), (76160, 261392), (76880, 258944), (79360, 250852), (80920, 246016), (81685, 243712), (84320, 236096), (87040, 228718), (89590, 222208), (92480, 215264), (107632, 184960), (111104, 179180), (114359, 174080), (118048, 168640), (121856, 163370), (123008, 161840), (125426, 158720), (129472, 153760), (130696, 152320), (134540, 147968), (134912, 147560), (138880, 143344)]