72042320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1372

約数の個数: 80

約数和(自身を含む): 193440000

約数和(自身を除く): 121397680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1249, 1442, 1648, 2060, 2498, 2884, 3605, 4120, 4996, 5768, 6245, 7210, 8240, 8743, 9992, 11536, 12490, 14420, 17486, 19984, 24980, 28840, 34972, 43715, 49960, 57680, 69944, 87430, 99920, 128647, 139888, 174860, 257294, 349720, 514588, 643235, 699440, 900529, 1029176, 1286470, 1801058, 2058352, 2572940, 3602116, 4502645, 5145880, 7204232, 9005290, 10291760, 14408464, 18010580, 36021160, 72042320]

約数ペア:

[(1, 72042320), (2, 36021160), (4, 18010580), (5, 14408464), (7, 10291760), (8, 9005290), (10, 7204232), (14, 5145880), (16, 4502645), (20, 3602116), (28, 2572940), (35, 2058352), (40, 1801058), (56, 1286470), (70, 1029176), (80, 900529), (103, 699440), (112, 643235), (140, 514588), (206, 349720), (280, 257294), (412, 174860), (515, 139888), (560, 128647), (721, 99920), (824, 87430), (1030, 69944), (1249, 57680), (1442, 49960), (1648, 43715), (2060, 34972), (2498, 28840), (2884, 24980), (3605, 19984), (4120, 17486), (4996, 14420), (5768, 12490), (6245, 11536), (7210, 9992), (8240, 8743)]