80948040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 256435200

約数和(自身を除く): 175487160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 139, 184, 211, 230, 276, 278, 345, 417, 422, 460, 552, 556, 633, 690, 695, 834, 844, 920, 1055, 1112, 1266, 1380, 1390, 1668, 1688, 2085, 2110, 2532, 2760, 2780, 3165, 3197, 3336, 4170, 4220, 4853, 5064, 5560, 6330, 6394, 8340, 8440, 9591, 9706, 12660, 12788, 14559, 15985, 16680, 19182, 19412, 24265, 25320, 25576, 29118, 29329, 31970, 38364, 38824, 47955, 48530, 58236, 58658, 63940, 72795, 76728, 87987, 95910, 97060, 116472, 117316, 127880, 145590, 146645, 175974, 191820, 194120, 234632, 291180, 293290, 351948, 383640, 439935, 582360, 586580, 674567, 703896, 879870, 1173160, 1349134, 1759740, 2023701, 2698268, 3372835, 3519480, 4047402, 5396536, 6745670, 8094804, 10118505, 13491340, 16189608, 20237010, 26982680, 40474020, 80948040]

約数ペア:

[(1, 80948040), (2, 40474020), (3, 26982680), (4, 20237010), (5, 16189608), (6, 13491340), (8, 10118505), (10, 8094804), (12, 6745670), (15, 5396536), (20, 4047402), (23, 3519480), (24, 3372835), (30, 2698268), (40, 2023701), (46, 1759740), (60, 1349134), (69, 1173160), (92, 879870), (115, 703896), (120, 674567), (138, 586580), (139, 582360), (184, 439935), (211, 383640), (230, 351948), (276, 293290), (278, 291180), (345, 234632), (417, 194120), (422, 191820), (460, 175974), (552, 146645), (556, 145590), (633, 127880), (690, 117316), (695, 116472), (834, 97060), (844, 95910), (920, 87987), (1055, 76728), (1112, 72795), (1266, 63940), (1380, 58658), (1390, 58236), (1668, 48530), (1688, 47955), (2085, 38824), (2110, 38364), (2532, 31970), (2760, 29329), (2780, 29118), (3165, 25576), (3197, 25320), (3336, 24265), (4170, 19412), (4220, 19182), (4853, 16680), (5064, 15985), (5560, 14559), (6330, 12788), (6394, 12660), (8340, 9706), (8440, 9591)]