20388600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 70218720

約数和(自身を除く): 49830120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 47, 50, 60, 72, 75, 90, 94, 100, 120, 141, 150, 180, 188, 200, 225, 235, 241, 282, 300, 360, 376, 423, 450, 470, 482, 564, 600, 705, 723, 846, 900, 940, 964, 1128, 1175, 1205, 1410, 1446, 1692, 1800, 1880, 1928, 2115, 2169, 2350, 2410, 2820, 2892, 3384, 3525, 3615, 4230, 4338, 4700, 4820, 5640, 5784, 6025, 7050, 7230, 8460, 8676, 9400, 9640, 10575, 10845, 11327, 12050, 14100, 14460, 16920, 17352, 18075, 21150, 21690, 22654, 24100, 28200, 28920, 33981, 36150, 42300, 43380, 45308, 48200, 54225, 56635, 67962, 72300, 84600, 86760, 90616, 101943, 108450, 113270, 135924, 144600, 169905, 203886, 216900, 226540, 271848, 283175, 339810, 407772, 433800, 453080, 509715, 566350, 679620, 815544, 849525, 1019430, 1132700, 1359240, 1699050, 2038860, 2265400, 2548575, 3398100, 4077720, 5097150, 6796200, 10194300, 20388600]

約数ペア:

[(1, 20388600), (2, 10194300), (3, 6796200), (4, 5097150), (5, 4077720), (6, 3398100), (8, 2548575), (9, 2265400), (10, 2038860), (12, 1699050), (15, 1359240), (18, 1132700), (20, 1019430), (24, 849525), (25, 815544), (30, 679620), (36, 566350), (40, 509715), (45, 453080), (47, 433800), (50, 407772), (60, 339810), (72, 283175), (75, 271848), (90, 226540), (94, 216900), (100, 203886), (120, 169905), (141, 144600), (150, 135924), (180, 113270), (188, 108450), (200, 101943), (225, 90616), (235, 86760), (241, 84600), (282, 72300), (300, 67962), (360, 56635), (376, 54225), (423, 48200), (450, 45308), (470, 43380), (482, 42300), (564, 36150), (600, 33981), (705, 28920), (723, 28200), (846, 24100), (900, 22654), (940, 21690), (964, 21150), (1128, 18075), (1175, 17352), (1205, 16920), (1410, 14460), (1446, 14100), (1692, 12050), (1800, 11327), (1880, 10845), (1928, 10575), (2115, 9640), (2169, 9400), (2350, 8676), (2410, 8460), (2820, 7230), (2892, 7050), (3384, 6025), (3525, 5784), (3615, 5640), (4230, 4820), (4338, 4700)]