4257540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 15375360

約数和(自身を除く): 11117820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 109, 124, 126, 140, 155, 180, 186, 210, 217, 218, 252, 279, 310, 315, 327, 372, 420, 434, 436, 465, 545, 558, 620, 630, 651, 654, 763, 868, 930, 981, 1085, 1090, 1116, 1260, 1302, 1308, 1395, 1526, 1635, 1860, 1953, 1962, 2170, 2180, 2289, 2604, 2790, 3052, 3255, 3270, 3379, 3815, 3906, 3924, 4340, 4578, 4905, 5580, 6510, 6540, 6758, 6867, 7630, 7812, 9156, 9765, 9810, 10137, 11445, 13020, 13516, 13734, 15260, 16895, 19530, 19620, 20274, 22890, 23653, 27468, 30411, 33790, 34335, 39060, 40548, 45780, 47306, 50685, 60822, 67580, 68670, 70959, 94612, 101370, 118265, 121644, 137340, 141918, 152055, 202740, 212877, 236530, 283836, 304110, 354795, 425754, 473060, 608220, 709590, 851508, 1064385, 1419180, 2128770, 4257540]

約数ペア:

[(1, 4257540), (2, 2128770), (3, 1419180), (4, 1064385), (5, 851508), (6, 709590), (7, 608220), (9, 473060), (10, 425754), (12, 354795), (14, 304110), (15, 283836), (18, 236530), (20, 212877), (21, 202740), (28, 152055), (30, 141918), (31, 137340), (35, 121644), (36, 118265), (42, 101370), (45, 94612), (60, 70959), (62, 68670), (63, 67580), (70, 60822), (84, 50685), (90, 47306), (93, 45780), (105, 40548), (109, 39060), (124, 34335), (126, 33790), (140, 30411), (155, 27468), (180, 23653), (186, 22890), (210, 20274), (217, 19620), (218, 19530), (252, 16895), (279, 15260), (310, 13734), (315, 13516), (327, 13020), (372, 11445), (420, 10137), (434, 9810), (436, 9765), (465, 9156), (545, 7812), (558, 7630), (620, 6867), (630, 6758), (651, 6540), (654, 6510), (763, 5580), (868, 4905), (930, 4578), (981, 4340), (1085, 3924), (1090, 3906), (1116, 3815), (1260, 3379), (1302, 3270), (1308, 3255), (1395, 3052), (1526, 2790), (1635, 2604), (1860, 2289), (1953, 2180), (1962, 2170)]