245671440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{569}}^1$

素因数の和:849

約数の個数: 160

約数和(自身を含む): 875301120

約数和(自身を除く): 629629680

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, 112, 120, 140, 168, 210, 240, 257, 280, 336, 420, 514, 560, 569, 771, 840, 1028, 1138, 1285, 1542, 1680, 1707, 1799, 2056, 2276, 2570, 2845, 3084, 3414, 3598, 3855, 3983, 4112, 4552, 5140, 5397, 5690, 6168, 6828, 7196, 7710, 7966, 8535, 8995, 9104, 10280, 10794, 11380, 11949, 12336, 13656, 14392, 15420, 15932, 17070, 17990, 19915, 20560, 21588, 22760, 23898, 26985, 27312, 28784, 30840, 31864, 34140, 35980, 39830, 43176, 45520, 47796, 53970, 59745, 61680, 63728, 68280, 71960, 79660, 86352, 95592, 107940, 119490, 136560, 143920, 146233, 159320, 191184, 215880, 238980, 292466, 318640, 431760, 438699, 477960, 584932, 731165, 877398, 955920, 1023631, 1169864, 1462330, 1754796, 2047262, 2193495, 2339728, 2924660, 3070893, 3509592, 4094524, 4386990, 5118155, 5849320, 6141786, 7019184, 8189048, 8773980, 10236310, 11698640, 12283572, 15354465, 16378096, 17547960, 20472620, 24567144, 30708930, 35095920, 40945240, 49134288, 61417860, 81890480, 122835720, 245671440]

約数ペア:

[(1, 245671440), (2, 122835720), (3, 81890480), (4, 61417860), (5, 49134288), (6, 40945240), (7, 35095920), (8, 30708930), (10, 24567144), (12, 20472620), (14, 17547960), (15, 16378096), (16, 15354465), (20, 12283572), (21, 11698640), (24, 10236310), (28, 8773980), (30, 8189048), (35, 7019184), (40, 6141786), (42, 5849320), (48, 5118155), (56, 4386990), (60, 4094524), (70, 3509592), (80, 3070893), (84, 2924660), (105, 2339728), (112, 2193495), (120, 2047262), (140, 1754796), (168, 1462330), (210, 1169864), (240, 1023631), (257, 955920), (280, 877398), (336, 731165), (420, 584932), (514, 477960), (560, 438699), (569, 431760), (771, 318640), (840, 292466), (1028, 238980), (1138, 215880), (1285, 191184), (1542, 159320), (1680, 146233), (1707, 143920), (1799, 136560), (2056, 119490), (2276, 107940), (2570, 95592), (2845, 86352), (3084, 79660), (3414, 71960), (3598, 68280), (3855, 63728), (3983, 61680), (4112, 59745), (4552, 53970), (5140, 47796), (5397, 45520), (5690, 43176), (6168, 39830), (6828, 35980), (7196, 34140), (7710, 31864), (7966, 30840), (8535, 28784), (8995, 27312), (9104, 26985), (10280, 23898), (10794, 22760), (11380, 21588), (11949, 20560), (12336, 19915), (13656, 17990), (14392, 17070), (15420, 15932)]