12781920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:908

約数の個数: 96

約数和(自身を含む): 41610240

約数和(自身を除く): 28828320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 859, 930, 992, 1240, 1488, 1718, 1860, 2480, 2577, 2976, 3436, 3720, 4295, 4960, 5154, 6872, 7440, 8590, 10308, 12885, 13744, 14880, 17180, 20616, 25770, 26629, 27488, 34360, 41232, 51540, 53258, 68720, 79887, 82464, 103080, 106516, 133145, 137440, 159774, 206160, 213032, 266290, 319548, 399435, 412320, 426064, 532580, 639096, 798870, 852128, 1065160, 1278192, 1597740, 2130320, 2556384, 3195480, 4260640, 6390960, 12781920]

約数ペア:

[(1, 12781920), (2, 6390960), (3, 4260640), (4, 3195480), (5, 2556384), (6, 2130320), (8, 1597740), (10, 1278192), (12, 1065160), (15, 852128), (16, 798870), (20, 639096), (24, 532580), (30, 426064), (31, 412320), (32, 399435), (40, 319548), (48, 266290), (60, 213032), (62, 206160), (80, 159774), (93, 137440), (96, 133145), (120, 106516), (124, 103080), (155, 82464), (160, 79887), (186, 68720), (240, 53258), (248, 51540), (310, 41232), (372, 34360), (465, 27488), (480, 26629), (496, 25770), (620, 20616), (744, 17180), (859, 14880), (930, 13744), (992, 12885), (1240, 10308), (1488, 8590), (1718, 7440), (1860, 6872), (2480, 5154), (2577, 4960), (2976, 4295), (3436, 3720)]