280877360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3061}}^1$

素因数の和:3142

約数の個数: 80

約数和(自身を含む): 692550912

約数和(自身を除く): 411673552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2294, 2480, 2960, 3061, 4588, 5735, 6122, 9176, 11470, 12244, 15305, 18352, 22940, 24488, 30610, 45880, 48976, 61220, 91760, 94891, 113257, 122440, 189782, 226514, 244880, 379564, 453028, 474455, 566285, 759128, 906056, 948910, 1132570, 1518256, 1812112, 1897820, 2265140, 3510967, 3795640, 4530280, 7021934, 7591280, 9060560, 14043868, 17554835, 28087736, 35109670, 56175472, 70219340, 140438680, 280877360]

約数ペア:

[(1, 280877360), (2, 140438680), (4, 70219340), (5, 56175472), (8, 35109670), (10, 28087736), (16, 17554835), (20, 14043868), (31, 9060560), (37, 7591280), (40, 7021934), (62, 4530280), (74, 3795640), (80, 3510967), (124, 2265140), (148, 1897820), (155, 1812112), (185, 1518256), (248, 1132570), (296, 948910), (310, 906056), (370, 759128), (496, 566285), (592, 474455), (620, 453028), (740, 379564), (1147, 244880), (1240, 226514), (1480, 189782), (2294, 122440), (2480, 113257), (2960, 94891), (3061, 91760), (4588, 61220), (5735, 48976), (6122, 45880), (9176, 30610), (11470, 24488), (12244, 22940), (15305, 18352)]