40890420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:651

約数の個数: 120

約数和(自身を含む): 131481504

約数和(自身を除く): 90591084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 516, 540, 587, 645, 774, 810, 860, 1161, 1174, 1290, 1548, 1620, 1761, 1935, 2322, 2348, 2580, 2935, 3483, 3522, 3870, 4644, 5283, 5805, 5870, 6966, 7044, 7740, 8805, 10566, 11610, 11740, 13932, 15849, 17415, 17610, 21132, 23220, 25241, 26415, 31698, 34830, 35220, 47547, 50482, 52830, 63396, 69660, 75723, 79245, 95094, 100964, 105660, 126205, 151446, 158490, 190188, 227169, 237735, 252410, 302892, 316980, 378615, 454338, 475470, 504820, 681507, 757230, 908676, 950940, 1135845, 1363014, 1514460, 2044521, 2271690, 2726028, 3407535, 4089042, 4543380, 6815070, 8178084, 10222605, 13630140, 20445210, 40890420]

約数ペア:

[(1, 40890420), (2, 20445210), (3, 13630140), (4, 10222605), (5, 8178084), (6, 6815070), (9, 4543380), (10, 4089042), (12, 3407535), (15, 2726028), (18, 2271690), (20, 2044521), (27, 1514460), (30, 1363014), (36, 1135845), (43, 950940), (45, 908676), (54, 757230), (60, 681507), (81, 504820), (86, 475470), (90, 454338), (108, 378615), (129, 316980), (135, 302892), (162, 252410), (172, 237735), (180, 227169), (215, 190188), (258, 158490), (270, 151446), (324, 126205), (387, 105660), (405, 100964), (430, 95094), (516, 79245), (540, 75723), (587, 69660), (645, 63396), (774, 52830), (810, 50482), (860, 47547), (1161, 35220), (1174, 34830), (1290, 31698), (1548, 26415), (1620, 25241), (1761, 23220), (1935, 21132), (2322, 17610), (2348, 17415), (2580, 15849), (2935, 13932), (3483, 11740), (3522, 11610), (3870, 10566), (4644, 8805), (5283, 7740), (5805, 7044), (5870, 6966)]