51548280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 178675200

約数和(自身を除く): 127126920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 563, 654, 763, 840, 872, 1090, 1126, 1308, 1526, 1635, 1689, 2180, 2252, 2289, 2616, 2815, 3052, 3270, 3378, 3815, 3941, 4360, 4504, 4578, 5630, 6104, 6540, 6756, 7630, 7882, 8445, 9156, 11260, 11445, 11823, 13080, 13512, 15260, 15764, 16890, 18312, 19705, 22520, 22890, 23646, 30520, 31528, 33780, 39410, 45780, 47292, 59115, 61367, 67560, 78820, 91560, 94584, 118230, 122734, 157640, 184101, 236460, 245468, 306835, 368202, 429569, 472920, 490936, 613670, 736404, 859138, 920505, 1227340, 1288707, 1472808, 1718276, 1841010, 2147845, 2454680, 2577414, 3436552, 3682020, 4295690, 5154828, 6443535, 7364040, 8591380, 10309656, 12887070, 17182760, 25774140, 51548280]

約数ペア:

[(1, 51548280), (2, 25774140), (3, 17182760), (4, 12887070), (5, 10309656), (6, 8591380), (7, 7364040), (8, 6443535), (10, 5154828), (12, 4295690), (14, 3682020), (15, 3436552), (20, 2577414), (21, 2454680), (24, 2147845), (28, 1841010), (30, 1718276), (35, 1472808), (40, 1288707), (42, 1227340), (56, 920505), (60, 859138), (70, 736404), (84, 613670), (105, 490936), (109, 472920), (120, 429569), (140, 368202), (168, 306835), (210, 245468), (218, 236460), (280, 184101), (327, 157640), (420, 122734), (436, 118230), (545, 94584), (563, 91560), (654, 78820), (763, 67560), (840, 61367), (872, 59115), (1090, 47292), (1126, 45780), (1308, 39410), (1526, 33780), (1635, 31528), (1689, 30520), (2180, 23646), (2252, 22890), (2289, 22520), (2616, 19705), (2815, 18312), (3052, 16890), (3270, 15764), (3378, 15260), (3815, 13512), (3941, 13080), (4360, 11823), (4504, 11445), (4578, 11260), (5630, 9156), (6104, 8445), (6540, 7882), (6756, 7630)]