73087640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 168912000

約数和(自身を除く): 95824360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 202, 229, 316, 395, 404, 458, 505, 632, 790, 808, 916, 1010, 1145, 1580, 1832, 2020, 2290, 3160, 4040, 4580, 7979, 9160, 15958, 18091, 23129, 31916, 36182, 39895, 46258, 63832, 72364, 79790, 90455, 92516, 115645, 144728, 159580, 180910, 185032, 231290, 319160, 361820, 462580, 723640, 925160, 1827191, 3654382, 7308764, 9135955, 14617528, 18271910, 36543820, 73087640]

約数ペア:

[(1, 73087640), (2, 36543820), (4, 18271910), (5, 14617528), (8, 9135955), (10, 7308764), (20, 3654382), (40, 1827191), (79, 925160), (101, 723640), (158, 462580), (202, 361820), (229, 319160), (316, 231290), (395, 185032), (404, 180910), (458, 159580), (505, 144728), (632, 115645), (790, 92516), (808, 90455), (916, 79790), (1010, 72364), (1145, 63832), (1580, 46258), (1832, 39895), (2020, 36182), (2290, 31916), (3160, 23129), (4040, 18091), (4580, 15958), (7979, 9160)]