72480460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2467}}^1$

素因数の和:2602

約数の個数: 48

約数和(自身を含む): 165434976

約数和(自身を除く): 92954516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2467, 2938, 4934, 5876, 7345, 9868, 12335, 14690, 24670, 29380, 32071, 49340, 64142, 128284, 160355, 278771, 320710, 557542, 641420, 1115084, 1393855, 2787710, 3624023, 5575420, 7248046, 14496092, 18120115, 36240230, 72480460]

約数ペア:

[(1, 72480460), (2, 36240230), (4, 18120115), (5, 14496092), (10, 7248046), (13, 5575420), (20, 3624023), (26, 2787710), (52, 1393855), (65, 1115084), (113, 641420), (130, 557542), (226, 320710), (260, 278771), (452, 160355), (565, 128284), (1130, 64142), (1469, 49340), (2260, 32071), (2467, 29380), (2938, 24670), (4934, 14690), (5876, 12335), (7345, 9868)]