131663280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:851

約数の個数: 160

約数和(自身を含む): 471398400

約数和(自身を除く): 339735120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 109, 112, 120, 140, 168, 210, 218, 240, 280, 327, 336, 420, 436, 545, 560, 654, 719, 763, 840, 872, 1090, 1308, 1438, 1526, 1635, 1680, 1744, 2157, 2180, 2289, 2616, 2876, 3052, 3270, 3595, 3815, 4314, 4360, 4578, 5033, 5232, 5752, 6104, 6540, 7190, 7630, 8628, 8720, 9156, 10066, 10785, 11445, 11504, 12208, 13080, 14380, 15099, 15260, 17256, 18312, 20132, 21570, 22890, 25165, 26160, 28760, 30198, 30520, 34512, 36624, 40264, 43140, 45780, 50330, 57520, 60396, 61040, 75495, 78371, 80528, 86280, 91560, 100660, 120792, 150990, 156742, 172560, 183120, 201320, 235113, 241584, 301980, 313484, 391855, 402640, 470226, 548597, 603960, 626968, 783710, 940452, 1097194, 1175565, 1207920, 1253936, 1567420, 1645791, 1880904, 2194388, 2351130, 2742985, 3134840, 3291582, 3761808, 4388776, 4702260, 5485970, 6269680, 6583164, 8228955, 8777552, 9404520, 10971940, 13166328, 16457910, 18809040, 21943880, 26332656, 32915820, 43887760, 65831640, 131663280]

約数ペア:

[(1, 131663280), (2, 65831640), (3, 43887760), (4, 32915820), (5, 26332656), (6, 21943880), (7, 18809040), (8, 16457910), (10, 13166328), (12, 10971940), (14, 9404520), (15, 8777552), (16, 8228955), (20, 6583164), (21, 6269680), (24, 5485970), (28, 4702260), (30, 4388776), (35, 3761808), (40, 3291582), (42, 3134840), (48, 2742985), (56, 2351130), (60, 2194388), (70, 1880904), (80, 1645791), (84, 1567420), (105, 1253936), (109, 1207920), (112, 1175565), (120, 1097194), (140, 940452), (168, 783710), (210, 626968), (218, 603960), (240, 548597), (280, 470226), (327, 402640), (336, 391855), (420, 313484), (436, 301980), (545, 241584), (560, 235113), (654, 201320), (719, 183120), (763, 172560), (840, 156742), (872, 150990), (1090, 120792), (1308, 100660), (1438, 91560), (1526, 86280), (1635, 80528), (1680, 78371), (1744, 75495), (2157, 61040), (2180, 60396), (2289, 57520), (2616, 50330), (2876, 45780), (3052, 43140), (3270, 40264), (3595, 36624), (3815, 34512), (4314, 30520), (4360, 30198), (4578, 28760), (5033, 26160), (5232, 25165), (5752, 22890), (6104, 21570), (6540, 20132), (7190, 18312), (7630, 17256), (8628, 15260), (8720, 15099), (9156, 14380), (10066, 13080), (10785, 12208), (11445, 11504)]