21820251480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1\times {\mathrm{5347}}^1$

素因数の和:6489

約数の個数: 128

約数和(自身を含む): 67646638080

約数和(自身を除く): 45826386600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1097, 1240, 1860, 2194, 3291, 3720, 4388, 5347, 5485, 6582, 8776, 10694, 10970, 13164, 16041, 16455, 21388, 21940, 26328, 26735, 32082, 32910, 34007, 42776, 43880, 53470, 64164, 65820, 68014, 80205, 102021, 106940, 128328, 131640, 136028, 160410, 165757, 170035, 204042, 213880, 272056, 320820, 331514, 340070, 408084, 497271, 510105, 641640, 663028, 680140, 816168, 828785, 994542, 1020210, 1326056, 1360280, 1657570, 1989084, 2040420, 2486355, 3315140, 3978168, 4080840, 4972710, 5865659, 6630280, 9945420, 11731318, 17596977, 19890840, 23462636, 29328295, 35193954, 46925272, 58656590, 70387908, 87984885, 117313180, 140775816, 175969770, 181835429, 234626360, 351939540, 363670858, 545506287, 703879080, 727341716, 909177145, 1091012574, 1454683432, 1818354290, 2182025148, 2727531435, 3636708580, 4364050296, 5455062870, 7273417160, 10910125740, 21820251480]

約数ペア:

[(1, 21820251480), (2, 10910125740), (3, 7273417160), (4, 5455062870), (5, 4364050296), (6, 3636708580), (8, 2727531435), (10, 2182025148), (12, 1818354290), (15, 1454683432), (20, 1091012574), (24, 909177145), (30, 727341716), (31, 703879080), (40, 545506287), (60, 363670858), (62, 351939540), (93, 234626360), (120, 181835429), (124, 175969770), (155, 140775816), (186, 117313180), (248, 87984885), (310, 70387908), (372, 58656590), (465, 46925272), (620, 35193954), (744, 29328295), (930, 23462636), (1097, 19890840), (1240, 17596977), (1860, 11731318), (2194, 9945420), (3291, 6630280), (3720, 5865659), (4388, 4972710), (5347, 4080840), (5485, 3978168), (6582, 3315140), (8776, 2486355), (10694, 2040420), (10970, 1989084), (13164, 1657570), (16041, 1360280), (16455, 1326056), (21388, 1020210), (21940, 994542), (26328, 828785), (26735, 816168), (32082, 680140), (32910, 663028), (34007, 641640), (42776, 510105), (43880, 497271), (53470, 408084), (64164, 340070), (65820, 331514), (68014, 320820), (80205, 272056), (102021, 213880), (106940, 204042), (128328, 170035), (131640, 165757), (136028, 160410)]