1617382840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{18371}}^1$

素因数の和:18484

約数の個数: 64

約数和(自身を含む): 3809617920

約数和(自身を除く): 2192235080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 2201, 2840, 4402, 8804, 11005, 17608, 18371, 22010, 36742, 44020, 73484, 88040, 91855, 146968, 183710, 367420, 569501, 734840, 1139002, 1304341, 2278004, 2608682, 2847505, 4556008, 5217364, 5695010, 6521705, 10434728, 11390020, 13043410, 22780040, 26086820, 40434571, 52173640, 80869142, 161738284, 202172855, 323476568, 404345710, 808691420, 1617382840]

約数ペア:

[(1, 1617382840), (2, 808691420), (4, 404345710), (5, 323476568), (8, 202172855), (10, 161738284), (20, 80869142), (31, 52173640), (40, 40434571), (62, 26086820), (71, 22780040), (124, 13043410), (142, 11390020), (155, 10434728), (248, 6521705), (284, 5695010), (310, 5217364), (355, 4556008), (568, 2847505), (620, 2608682), (710, 2278004), (1240, 1304341), (1420, 1139002), (2201, 734840), (2840, 569501), (4402, 367420), (8804, 183710), (11005, 146968), (17608, 91855), (18371, 88040), (22010, 73484), (36742, 44020)]