123065720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2549}}^1$

素因数の和:2648

約数の個数: 64

約数和(自身を含む): 297432000

約数和(自身を除く): 174366280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 2414, 2549, 2840, 4828, 5098, 6035, 9656, 10196, 12070, 12745, 20392, 24140, 25490, 43333, 48280, 50980, 86666, 101960, 173332, 180979, 216665, 346664, 361958, 433330, 723916, 866660, 904895, 1447832, 1733320, 1809790, 3076643, 3619580, 6153286, 7239160, 12306572, 15383215, 24613144, 30766430, 61532860, 123065720]

約数ペア:

[(1, 123065720), (2, 61532860), (4, 30766430), (5, 24613144), (8, 15383215), (10, 12306572), (17, 7239160), (20, 6153286), (34, 3619580), (40, 3076643), (68, 1809790), (71, 1733320), (85, 1447832), (136, 904895), (142, 866660), (170, 723916), (284, 433330), (340, 361958), (355, 346664), (568, 216665), (680, 180979), (710, 173332), (1207, 101960), (1420, 86666), (2414, 50980), (2549, 48280), (2840, 43333), (4828, 25490), (5098, 24140), (6035, 20392), (9656, 12745), (10196, 12070)]