21903784080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2944057}}^1$

素因数の和:2944104

約数の個数: 80

約数和(自身を含む): 70092132864

約数和(自身を除く): 48188348784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 2944057, 5888114, 8832171, 11776228, 14720285, 17664342, 23552456, 29440570, 35328684, 44160855, 47104912, 58881140, 70657368, 88321710, 91265767, 117762280, 141314736, 176643420, 182531534, 235524560, 273797301, 353286840, 365063068, 456328835, 547594602, 706573680, 730126136, 912657670, 1095189204, 1368986505, 1460252272, 1825315340, 2190378408, 2737973010, 3650630680, 4380756816, 5475946020, 7301261360, 10951892040, 21903784080]

約数ペア:

[(1, 21903784080), (2, 10951892040), (3, 7301261360), (4, 5475946020), (5, 4380756816), (6, 3650630680), (8, 2737973010), (10, 2190378408), (12, 1825315340), (15, 1460252272), (16, 1368986505), (20, 1095189204), (24, 912657670), (30, 730126136), (31, 706573680), (40, 547594602), (48, 456328835), (60, 365063068), (62, 353286840), (80, 273797301), (93, 235524560), (120, 182531534), (124, 176643420), (155, 141314736), (186, 117762280), (240, 91265767), (248, 88321710), (310, 70657368), (372, 58881140), (465, 47104912), (496, 44160855), (620, 35328684), (744, 29440570), (930, 23552456), (1240, 17664342), (1488, 14720285), (1860, 11776228), (2480, 8832171), (3720, 5888114), (7440, 2944057)]