100020720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2797}}^1$

素因数の和:2962

約数の個数: 80

約数和(自身を含む): 312256800

約数和(自身を除く): 212236080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 149, 240, 298, 447, 596, 745, 894, 1192, 1490, 1788, 2235, 2384, 2797, 2980, 3576, 4470, 5594, 5960, 7152, 8391, 8940, 11188, 11920, 13985, 16782, 17880, 22376, 27970, 33564, 35760, 41955, 44752, 55940, 67128, 83910, 111880, 134256, 167820, 223760, 335640, 416753, 671280, 833506, 1250259, 1667012, 2083765, 2500518, 3334024, 4167530, 5001036, 6251295, 6668048, 8335060, 10002072, 12502590, 16670120, 20004144, 25005180, 33340240, 50010360, 100020720]

約数ペア:

[(1, 100020720), (2, 50010360), (3, 33340240), (4, 25005180), (5, 20004144), (6, 16670120), (8, 12502590), (10, 10002072), (12, 8335060), (15, 6668048), (16, 6251295), (20, 5001036), (24, 4167530), (30, 3334024), (40, 2500518), (48, 2083765), (60, 1667012), (80, 1250259), (120, 833506), (149, 671280), (240, 416753), (298, 335640), (447, 223760), (596, 167820), (745, 134256), (894, 111880), (1192, 83910), (1490, 67128), (1788, 55940), (2235, 44752), (2384, 41955), (2797, 35760), (2980, 33564), (3576, 27970), (4470, 22376), (5594, 17880), (5960, 16782), (7152, 13985), (8391, 11920), (8940, 11188)]