19914836480

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3259}}^1$

素因数の和:3331

約数の個数: 320

約数和(自身を含む): 61470351360

約数和(自身を除く): 41555514880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 64, 70, 77, 80, 88, 110, 112, 124, 128, 140, 154, 155, 160, 176, 217, 220, 224, 248, 256, 280, 308, 310, 320, 341, 352, 385, 434, 440, 448, 496, 512, 560, 616, 620, 640, 682, 704, 770, 868, 880, 896, 992, 1085, 1120, 1232, 1240, 1280, 1364, 1408, 1540, 1705, 1736, 1760, 1792, 1984, 2170, 2240, 2387, 2464, 2480, 2560, 2728, 2816, 3080, 3259, 3410, 3472, 3520, 3584, 3968, 4340, 4480, 4774, 4928, 4960, 5456, 5632, 6160, 6518, 6820, 6944, 7040, 7936, 8680, 8960, 9548, 9856, 9920, 10912, 11935, 12320, 13036, 13640, 13888, 14080, 15872, 16295, 17360, 17920, 19096, 19712, 19840, 21824, 22813, 23870, 24640, 26072, 27280, 27776, 28160, 32590, 34720, 35849, 38192, 39424, 39680, 43648, 45626, 47740, 49280, 52144, 54560, 55552, 65180, 69440, 71698, 76384, 79360, 87296, 91252, 95480, 98560, 101029, 104288, 109120, 111104, 114065, 130360, 138880, 143396, 152768, 174592, 179245, 182504, 190960, 197120, 202058, 208576, 218240, 228130, 250943, 260720, 277760, 286792, 305536, 358490, 365008, 381920, 404116, 417152, 436480, 456260, 501886, 505145, 521440, 555520, 573584, 611072, 707203, 716980, 730016, 763840, 808232, 834304, 872960, 912520, 1003772, 1010290, 1042880, 1111319, 1147168, 1222144, 1254715, 1414406, 1433960, 1460032, 1527680, 1616464, 1668608, 1825040, 2007544, 2020580, 2085760, 2222638, 2294336, 2509430, 2828812, 2867920, 2920064, 3055360, 3232928, 3536015, 3650080, 4015088, 4041160, 4171520, 4445276, 4588672, 5018860, 5556595, 5657624, 5735840, 5840128, 6110720, 6465856, 7072030, 7300160, 7779233, 8030176, 8082320, 8343040, 8890552, 9177344, 10037720, 11113190, 11315248, 11471680, 11680256, 12931712, 14144060, 14600320, 15558466, 16060352, 16164640, 17781104, 18354688, 20075440, 22226380, 22630496, 22943360, 25863424, 28288120, 29200640, 31116932, 32120704, 32329280, 35562208, 38896165, 40150880, 44452760, 45260992, 45886720, 51726848, 56576240, 58401280, 62233864, 64241408, 64658560, 71124416, 77792330, 80301760, 88905520, 90521984, 91773440, 113152480, 124467728, 128482816, 129317120, 142248832, 155584660, 160603520, 177811040, 181043968, 226304960, 248935456, 258634240, 284497664, 311169320, 321207040, 355622080, 362087936, 452609920, 497870912, 568995328, 622338640, 642414080, 711244160, 905219840, 995741824, 1244677280, 1422488320, 1810439680, 1991483648, 2489354560, 2844976640, 3982967296, 4978709120, 9957418240, 19914836480]

約数ペア:

[(1, 19914836480), (2, 9957418240), (4, 4978709120), (5, 3982967296), (7, 2844976640), (8, 2489354560), (10, 1991483648), (11, 1810439680), (14, 1422488320), (16, 1244677280), (20, 995741824), (22, 905219840), (28, 711244160), (31, 642414080), (32, 622338640), (35, 568995328), (40, 497870912), (44, 452609920), (55, 362087936), (56, 355622080), (62, 321207040), (64, 311169320), (70, 284497664), (77, 258634240), (80, 248935456), (88, 226304960), (110, 181043968), (112, 177811040), (124, 160603520), (128, 155584660), (140, 142248832), (154, 129317120), (155, 128482816), (160, 124467728), (176, 113152480), (217, 91773440), (220, 90521984), (224, 88905520), (248, 80301760), (256, 77792330), (280, 71124416), (308, 64658560), (310, 64241408), (320, 62233864), (341, 58401280), (352, 56576240), (385, 51726848), (434, 45886720), (440, 45260992), (448, 44452760), (496, 40150880), (512, 38896165), (560, 35562208), (616, 32329280), (620, 32120704), (640, 31116932), (682, 29200640), (704, 28288120), (770, 25863424), (868, 22943360), (880, 22630496), (896, 22226380), (992, 20075440), (1085, 18354688), (1120, 17781104), (1232, 16164640), (1240, 16060352), (1280, 15558466), (1364, 14600320), (1408, 14144060), (1540, 12931712), (1705, 11680256), (1736, 11471680), (1760, 11315248), (1792, 11113190), (1984, 10037720), (2170, 9177344), (2240, 8890552), (2387, 8343040), (2464, 8082320), (2480, 8030176), (2560, 7779233), (2728, 7300160), (2816, 7072030), (3080, 6465856), (3259, 6110720), (3410, 5840128), (3472, 5735840), (3520, 5657624), (3584, 5556595), (3968, 5018860), (4340, 4588672), (4480, 4445276), (4774, 4171520), (4928, 4041160), (4960, 4015088), (5456, 3650080), (5632, 3536015), (6160, 3232928), (6518, 3055360), (6820, 2920064), (6944, 2867920), (7040, 2828812), (7936, 2509430), (8680, 2294336), (8960, 2222638), (9548, 2085760), (9856, 2020580), (9920, 2007544), (10912, 1825040), (11935, 1668608), (12320, 1616464), (13036, 1527680), (13640, 1460032), (13888, 1433960), (14080, 1414406), (15872, 1254715), (16295, 1222144), (17360, 1147168), (17920, 1111319), (19096, 1042880), (19712, 1010290), (19840, 1003772), (21824, 912520), (22813, 872960), (23870, 834304), (24640, 808232), (26072, 763840), (27280, 730016), (27776, 716980), (28160, 707203), (32590, 611072), (34720, 573584), (35849, 555520), (38192, 521440), (39424, 505145), (39680, 501886), (43648, 456260), (45626, 436480), (47740, 417152), (49280, 404116), (52144, 381920), (54560, 365008), (55552, 358490), (65180, 305536), (69440, 286792), (71698, 277760), (76384, 260720), (79360, 250943), (87296, 228130), (91252, 218240), (95480, 208576), (98560, 202058), (101029, 197120), (104288, 190960), (109120, 182504), (111104, 179245), (114065, 174592), (130360, 152768), (138880, 143396)]