655224680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 128

約数和(自身を含む): 1678095360

約数和(自身を除く): 1022870680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 220, 242, 248, 310, 341, 397, 440, 484, 605, 620, 682, 794, 968, 1210, 1240, 1331, 1364, 1588, 1705, 1985, 2420, 2662, 2728, 3176, 3410, 3751, 3970, 4367, 4840, 5324, 6655, 6820, 7502, 7940, 8734, 10648, 12307, 13310, 13640, 15004, 15880, 17468, 18755, 21835, 24614, 26620, 30008, 34936, 37510, 41261, 43670, 48037, 49228, 53240, 61535, 75020, 82522, 87340, 96074, 98456, 123070, 135377, 150040, 165044, 174680, 192148, 206305, 240185, 246140, 270754, 330088, 384296, 412610, 480370, 492280, 528407, 541508, 676885, 825220, 960740, 1056814, 1083016, 1353770, 1489147, 1650440, 1921480, 2113628, 2642035, 2707540, 2978294, 4227256, 5284070, 5415080, 5956588, 7445735, 10568140, 11913176, 14891470, 16380617, 21136280, 29782940, 32761234, 59565880, 65522468, 81903085, 131044936, 163806170, 327612340, 655224680]

約数ペア:

[(1, 655224680), (2, 327612340), (4, 163806170), (5, 131044936), (8, 81903085), (10, 65522468), (11, 59565880), (20, 32761234), (22, 29782940), (31, 21136280), (40, 16380617), (44, 14891470), (55, 11913176), (62, 10568140), (88, 7445735), (110, 5956588), (121, 5415080), (124, 5284070), (155, 4227256), (220, 2978294), (242, 2707540), (248, 2642035), (310, 2113628), (341, 1921480), (397, 1650440), (440, 1489147), (484, 1353770), (605, 1083016), (620, 1056814), (682, 960740), (794, 825220), (968, 676885), (1210, 541508), (1240, 528407), (1331, 492280), (1364, 480370), (1588, 412610), (1705, 384296), (1985, 330088), (2420, 270754), (2662, 246140), (2728, 240185), (3176, 206305), (3410, 192148), (3751, 174680), (3970, 165044), (4367, 150040), (4840, 135377), (5324, 123070), (6655, 98456), (6820, 96074), (7502, 87340), (7940, 82522), (8734, 75020), (10648, 61535), (12307, 53240), (13310, 49228), (13640, 48037), (15004, 43670), (15880, 41261), (17468, 37510), (18755, 34936), (21835, 30008), (24614, 26620)]