80416020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 234178560

約数和(自身を除く): 153762540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 71, 86, 129, 142, 172, 213, 215, 258, 284, 355, 426, 430, 439, 516, 645, 710, 852, 860, 878, 1065, 1290, 1317, 1420, 1756, 2130, 2195, 2580, 2634, 3053, 4260, 4390, 5268, 6106, 6585, 8780, 9159, 12212, 13170, 15265, 18318, 18877, 26340, 30530, 31169, 36636, 37754, 45795, 56631, 61060, 62338, 75508, 91590, 93507, 94385, 113262, 124676, 155845, 183180, 187014, 188770, 226524, 283155, 311690, 374028, 377540, 467535, 566310, 623380, 935070, 1132620, 1340267, 1870140, 2680534, 4020801, 5361068, 6701335, 8041602, 13402670, 16083204, 20104005, 26805340, 40208010, 80416020]

約数ペア:

[(1, 80416020), (2, 40208010), (3, 26805340), (4, 20104005), (5, 16083204), (6, 13402670), (10, 8041602), (12, 6701335), (15, 5361068), (20, 4020801), (30, 2680534), (43, 1870140), (60, 1340267), (71, 1132620), (86, 935070), (129, 623380), (142, 566310), (172, 467535), (213, 377540), (215, 374028), (258, 311690), (284, 283155), (355, 226524), (426, 188770), (430, 187014), (439, 183180), (516, 155845), (645, 124676), (710, 113262), (852, 94385), (860, 93507), (878, 91590), (1065, 75508), (1290, 62338), (1317, 61060), (1420, 56631), (1756, 45795), (2130, 37754), (2195, 36636), (2580, 31169), (2634, 30530), (3053, 26340), (4260, 18877), (4390, 18318), (5268, 15265), (6106, 13170), (6585, 12212), (8780, 9159)]