181275760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3251}}^1$

素因数の和:3322

約数の個数: 80

約数和(自身を含む): 457283232

約数和(自身を除く): 276007472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 820, 1360, 1394, 1640, 2788, 3251, 3280, 3485, 5576, 6502, 6970, 11152, 13004, 13940, 16255, 26008, 27880, 32510, 52016, 55267, 55760, 65020, 110534, 130040, 133291, 221068, 260080, 266582, 276335, 442136, 533164, 552670, 666455, 884272, 1066328, 1105340, 1332910, 2132656, 2210680, 2265947, 2665820, 4421360, 4531894, 5331640, 9063788, 10663280, 11329735, 18127576, 22659470, 36255152, 45318940, 90637880, 181275760]

約数ペア:

[(1, 181275760), (2, 90637880), (4, 45318940), (5, 36255152), (8, 22659470), (10, 18127576), (16, 11329735), (17, 10663280), (20, 9063788), (34, 5331640), (40, 4531894), (41, 4421360), (68, 2665820), (80, 2265947), (82, 2210680), (85, 2132656), (136, 1332910), (164, 1105340), (170, 1066328), (205, 884272), (272, 666455), (328, 552670), (340, 533164), (410, 442136), (656, 276335), (680, 266582), (697, 260080), (820, 221068), (1360, 133291), (1394, 130040), (1640, 110534), (2788, 65020), (3251, 55760), (3280, 55267), (3485, 52016), (5576, 32510), (6502, 27880), (6970, 26008), (11152, 16255), (13004, 13940)]