128260020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9851}}^1$

素因数の和:9901

約数の個数: 96

約数和(自身を含む): 423714816

約数和(自身を除く): 295454796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 9851, 13020, 19702, 29553, 39404, 49255, 59106, 68957, 98510, 118212, 137914, 147765, 197020, 206871, 275828, 295530, 305381, 344785, 413742, 591060, 610762, 689570, 827484, 916143, 1034355, 1221524, 1379140, 1526905, 1832286, 2068710, 2137667, 3053810, 3664572, 4137420, 4275334, 4580715, 6107620, 6413001, 8550668, 9161430, 10688335, 12826002, 18322860, 21376670, 25652004, 32065005, 42753340, 64130010, 128260020]

約数ペア:

[(1, 128260020), (2, 64130010), (3, 42753340), (4, 32065005), (5, 25652004), (6, 21376670), (7, 18322860), (10, 12826002), (12, 10688335), (14, 9161430), (15, 8550668), (20, 6413001), (21, 6107620), (28, 4580715), (30, 4275334), (31, 4137420), (35, 3664572), (42, 3053810), (60, 2137667), (62, 2068710), (70, 1832286), (84, 1526905), (93, 1379140), (105, 1221524), (124, 1034355), (140, 916143), (155, 827484), (186, 689570), (210, 610762), (217, 591060), (310, 413742), (372, 344785), (420, 305381), (434, 295530), (465, 275828), (620, 206871), (651, 197020), (868, 147765), (930, 137914), (1085, 118212), (1302, 98510), (1860, 68957), (2170, 59106), (2604, 49255), (3255, 39404), (4340, 29553), (6510, 19702), (9851, 13020)]