1872317440

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 264

約数和(自身を含む): 5544586080

約数和(自身を除く): 3672268640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 128, 136, 140, 160, 170, 196, 224, 238, 245, 256, 272, 280, 320, 340, 392, 439, 448, 476, 490, 512, 544, 560, 595, 640, 680, 784, 833, 878, 896, 952, 980, 1024, 1088, 1120, 1190, 1280, 1360, 1568, 1666, 1756, 1792, 1904, 1960, 2176, 2195, 2240, 2380, 2560, 2720, 3073, 3136, 3332, 3512, 3584, 3808, 3920, 4165, 4352, 4390, 4480, 4760, 5120, 5440, 6146, 6272, 6664, 7024, 7168, 7463, 7616, 7840, 8330, 8704, 8780, 8960, 9520, 10880, 12292, 12544, 13328, 14048, 14926, 15232, 15365, 15680, 16660, 17408, 17560, 17920, 19040, 21511, 21760, 24584, 25088, 26656, 28096, 29852, 30464, 30730, 31360, 33320, 35120, 35840, 37315, 38080, 43022, 43520, 49168, 50176, 52241, 53312, 56192, 59704, 60928, 61460, 62720, 66640, 70240, 74630, 76160, 86044, 87040, 98336, 104482, 106624, 107555, 112384, 119408, 121856, 122920, 125440, 133280, 140480, 149260, 152320, 172088, 196672, 208964, 213248, 215110, 224768, 238816, 245840, 250880, 261205, 266560, 280960, 298520, 304640, 344176, 365687, 393344, 417928, 426496, 430220, 449536, 477632, 491680, 522410, 533120, 561920, 597040, 609280, 688352, 731374, 786688, 835856, 852992, 860440, 955264, 983360, 1044820, 1066240, 1123840, 1194080, 1376704, 1462748, 1573376, 1671712, 1720880, 1828435, 1910528, 1966720, 2089640, 2132480, 2247680, 2388160, 2753408, 2925496, 3146752, 3343424, 3441760, 3656870, 3821056, 3933440, 4179280, 4264960, 4776320, 5506816, 5850992, 6686848, 6883520, 7313740, 7642112, 7866880, 8358560, 9552640, 11013632, 11701984, 13373696, 13767040, 14627480, 15733760, 16717120, 19105280, 22027264, 23403968, 26747392, 27534080, 29254960, 33434240, 38210560, 46807936, 53494784, 55068160, 58509920, 66868480, 93615872, 110136320, 117019840, 133736960, 187231744, 234039680, 267473920, 374463488, 468079360, 936158720, 1872317440]

約数ペア:

[(1, 1872317440), (2, 936158720), (4, 468079360), (5, 374463488), (7, 267473920), (8, 234039680), (10, 187231744), (14, 133736960), (16, 117019840), (17, 110136320), (20, 93615872), (28, 66868480), (32, 58509920), (34, 55068160), (35, 53494784), (40, 46807936), (49, 38210560), (56, 33434240), (64, 29254960), (68, 27534080), (70, 26747392), (80, 23403968), (85, 22027264), (98, 19105280), (112, 16717120), (119, 15733760), (128, 14627480), (136, 13767040), (140, 13373696), (160, 11701984), (170, 11013632), (196, 9552640), (224, 8358560), (238, 7866880), (245, 7642112), (256, 7313740), (272, 6883520), (280, 6686848), (320, 5850992), (340, 5506816), (392, 4776320), (439, 4264960), (448, 4179280), (476, 3933440), (490, 3821056), (512, 3656870), (544, 3441760), (560, 3343424), (595, 3146752), (640, 2925496), (680, 2753408), (784, 2388160), (833, 2247680), (878, 2132480), (896, 2089640), (952, 1966720), (980, 1910528), (1024, 1828435), (1088, 1720880), (1120, 1671712), (1190, 1573376), (1280, 1462748), (1360, 1376704), (1568, 1194080), (1666, 1123840), (1756, 1066240), (1792, 1044820), (1904, 983360), (1960, 955264), (2176, 860440), (2195, 852992), (2240, 835856), (2380, 786688), (2560, 731374), (2720, 688352), (3073, 609280), (3136, 597040), (3332, 561920), (3512, 533120), (3584, 522410), (3808, 491680), (3920, 477632), (4165, 449536), (4352, 430220), (4390, 426496), (4480, 417928), (4760, 393344), (5120, 365687), (5440, 344176), (6146, 304640), (6272, 298520), (6664, 280960), (7024, 266560), (7168, 261205), (7463, 250880), (7616, 245840), (7840, 238816), (8330, 224768), (8704, 215110), (8780, 213248), (8960, 208964), (9520, 196672), (10880, 172088), (12292, 152320), (12544, 149260), (13328, 140480), (14048, 133280), (14926, 125440), (15232, 122920), (15365, 121856), (15680, 119408), (16660, 112384), (17408, 107555), (17560, 106624), (17920, 104482), (19040, 98336), (21511, 87040), (21760, 86044), (24584, 76160), (25088, 74630), (26656, 70240), (28096, 66640), (29852, 62720), (30464, 61460), (30730, 60928), (31360, 59704), (33320, 56192), (35120, 53312), (35840, 52241), (37315, 50176), (38080, 49168), (43022, 43520)]