1447280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 40

約数和(自身を含む): 3422400

約数和(自身を除く): 1975120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 229, 316, 395, 458, 632, 790, 916, 1145, 1264, 1580, 1832, 2290, 3160, 3664, 4580, 6320, 9160, 18091, 18320, 36182, 72364, 90455, 144728, 180910, 289456, 361820, 723640, 1447280]

約数ペア:

[(1, 1447280), (2, 723640), (4, 361820), (5, 289456), (8, 180910), (10, 144728), (16, 90455), (20, 72364), (40, 36182), (79, 18320), (80, 18091), (158, 9160), (229, 6320), (316, 4580), (395, 3664), (458, 3160), (632, 2290), (790, 1832), (916, 1580), (1145, 1264)]