68784800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 195737472

約数和(自身を除く): 126952672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 71, 80, 100, 112, 140, 142, 160, 173, 175, 200, 224, 280, 284, 346, 350, 355, 400, 497, 560, 568, 692, 700, 710, 800, 865, 994, 1120, 1136, 1211, 1384, 1400, 1420, 1730, 1775, 1988, 2272, 2422, 2485, 2768, 2800, 2840, 3460, 3550, 3976, 4325, 4844, 4970, 5536, 5600, 5680, 6055, 6920, 7100, 7952, 8650, 9688, 9940, 11360, 12110, 12283, 12425, 13840, 14200, 15904, 17300, 19376, 19880, 24220, 24566, 24850, 27680, 28400, 30275, 34600, 38752, 39760, 48440, 49132, 49700, 56800, 60550, 61415, 69200, 79520, 85981, 96880, 98264, 99400, 121100, 122830, 138400, 171962, 193760, 196528, 198800, 242200, 245660, 307075, 343924, 393056, 397600, 429905, 484400, 491320, 614150, 687848, 859810, 968800, 982640, 1228300, 1375696, 1719620, 1965280, 2149525, 2456600, 2751392, 3439240, 4299050, 4913200, 6878480, 8598100, 9826400, 13756960, 17196200, 34392400, 68784800]

約数ペア:

[(1, 68784800), (2, 34392400), (4, 17196200), (5, 13756960), (7, 9826400), (8, 8598100), (10, 6878480), (14, 4913200), (16, 4299050), (20, 3439240), (25, 2751392), (28, 2456600), (32, 2149525), (35, 1965280), (40, 1719620), (50, 1375696), (56, 1228300), (70, 982640), (71, 968800), (80, 859810), (100, 687848), (112, 614150), (140, 491320), (142, 484400), (160, 429905), (173, 397600), (175, 393056), (200, 343924), (224, 307075), (280, 245660), (284, 242200), (346, 198800), (350, 196528), (355, 193760), (400, 171962), (497, 138400), (560, 122830), (568, 121100), (692, 99400), (700, 98264), (710, 96880), (800, 85981), (865, 79520), (994, 69200), (1120, 61415), (1136, 60550), (1211, 56800), (1384, 49700), (1400, 49132), (1420, 48440), (1730, 39760), (1775, 38752), (1988, 34600), (2272, 30275), (2422, 28400), (2485, 27680), (2768, 24850), (2800, 24566), (2840, 24220), (3460, 19880), (3550, 19376), (3976, 17300), (4325, 15904), (4844, 14200), (4970, 13840), (5536, 12425), (5600, 12283), (5680, 12110), (6055, 11360), (6920, 9940), (7100, 9688), (7952, 8650)]