30731640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3607}}^1$

素因数の和:3692

約数の個数: 64

約数和(自身を含む): 93519360

約数和(自身を除く): 62787720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 3607, 4260, 7214, 8520, 10821, 14428, 18035, 21642, 28856, 36070, 43284, 54105, 72140, 86568, 108210, 144280, 216420, 256097, 432840, 512194, 768291, 1024388, 1280485, 1536582, 2048776, 2560970, 3073164, 3841455, 5121940, 6146328, 7682910, 10243880, 15365820, 30731640]

約数ペア:

[(1, 30731640), (2, 15365820), (3, 10243880), (4, 7682910), (5, 6146328), (6, 5121940), (8, 3841455), (10, 3073164), (12, 2560970), (15, 2048776), (20, 1536582), (24, 1280485), (30, 1024388), (40, 768291), (60, 512194), (71, 432840), (120, 256097), (142, 216420), (213, 144280), (284, 108210), (355, 86568), (426, 72140), (568, 54105), (710, 43284), (852, 36070), (1065, 28856), (1420, 21642), (1704, 18035), (2130, 14428), (2840, 10821), (3607, 8520), (4260, 7214)]