1557189920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{68059}}^1$

素因数の和:68098

約数の個数: 96

約数和(自身を含む): 4322082240

約数和(自身を除く): 2764892320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1760, 2080, 2288, 2860, 4576, 5720, 11440, 22880, 68059, 136118, 272236, 340295, 544472, 680590, 748649, 884767, 1088944, 1361180, 1497298, 1769534, 2177888, 2722360, 2994596, 3539068, 3743245, 4423835, 5444720, 5989192, 7078136, 7486490, 8847670, 9732437, 10889440, 11978384, 14156272, 14972980, 17695340, 19464874, 23956768, 28312544, 29945960, 35390680, 38929748, 48662185, 59891920, 70781360, 77859496, 97324370, 119783840, 141562720, 155718992, 194648740, 311437984, 389297480, 778594960, 1557189920]

約数ペア:

[(1, 1557189920), (2, 778594960), (4, 389297480), (5, 311437984), (8, 194648740), (10, 155718992), (11, 141562720), (13, 119783840), (16, 97324370), (20, 77859496), (22, 70781360), (26, 59891920), (32, 48662185), (40, 38929748), (44, 35390680), (52, 29945960), (55, 28312544), (65, 23956768), (80, 19464874), (88, 17695340), (104, 14972980), (110, 14156272), (130, 11978384), (143, 10889440), (160, 9732437), (176, 8847670), (208, 7486490), (220, 7078136), (260, 5989192), (286, 5444720), (352, 4423835), (416, 3743245), (440, 3539068), (520, 2994596), (572, 2722360), (715, 2177888), (880, 1769534), (1040, 1497298), (1144, 1361180), (1430, 1088944), (1760, 884767), (2080, 748649), (2288, 680590), (2860, 544472), (4576, 340295), (5720, 272236), (11440, 136118), (22880, 68059)]