31803660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 113008896

約数和(自身を除く): 81205236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 587, 602, 630, 645, 774, 860, 903, 1174, 1204, 1260, 1290, 1505, 1548, 1761, 1806, 1935, 2348, 2580, 2709, 2935, 3010, 3522, 3612, 3870, 4109, 4515, 5283, 5418, 5870, 6020, 7044, 7740, 8218, 8805, 9030, 10566, 10836, 11740, 12327, 13545, 16436, 17610, 18060, 20545, 21132, 24654, 25241, 26415, 27090, 35220, 36981, 41090, 49308, 50482, 52830, 54180, 61635, 73962, 75723, 82180, 100964, 105660, 123270, 126205, 147924, 151446, 176687, 184905, 227169, 246540, 252410, 302892, 353374, 369810, 378615, 454338, 504820, 530061, 706748, 739620, 757230, 883435, 908676, 1060122, 1135845, 1514460, 1590183, 1766870, 2120244, 2271690, 2650305, 3180366, 3533740, 4543380, 5300610, 6360732, 7950915, 10601220, 15901830, 31803660]

約数ペア:

[(1, 31803660), (2, 15901830), (3, 10601220), (4, 7950915), (5, 6360732), (6, 5300610), (7, 4543380), (9, 3533740), (10, 3180366), (12, 2650305), (14, 2271690), (15, 2120244), (18, 1766870), (20, 1590183), (21, 1514460), (28, 1135845), (30, 1060122), (35, 908676), (36, 883435), (42, 757230), (43, 739620), (45, 706748), (60, 530061), (63, 504820), (70, 454338), (84, 378615), (86, 369810), (90, 353374), (105, 302892), (126, 252410), (129, 246540), (140, 227169), (172, 184905), (180, 176687), (210, 151446), (215, 147924), (252, 126205), (258, 123270), (301, 105660), (315, 100964), (387, 82180), (420, 75723), (430, 73962), (516, 61635), (587, 54180), (602, 52830), (630, 50482), (645, 49308), (774, 41090), (860, 36981), (903, 35220), (1174, 27090), (1204, 26415), (1260, 25241), (1290, 24654), (1505, 21132), (1548, 20545), (1761, 18060), (1806, 17610), (1935, 16436), (2348, 13545), (2580, 12327), (2709, 11740), (2935, 10836), (3010, 10566), (3522, 9030), (3612, 8805), (3870, 8218), (4109, 7740), (4515, 7044), (5283, 6020), (5418, 5870)]