256739520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8627}}^1$

素因数の和:8678

約数の個数: 112

約数和(自身を含む): 841540608

約数和(自身を除く): 584801088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7440, 8627, 9920, 14880, 17254, 25881, 29760, 34508, 43135, 51762, 69016, 86270, 103524, 129405, 138032, 172540, 207048, 258810, 267437, 276064, 345080, 414096, 517620, 534874, 552128, 690160, 802311, 828192, 1035240, 1069748, 1337185, 1380320, 1604622, 1656384, 2070480, 2139496, 2674370, 2760640, 3209244, 4011555, 4140960, 4278992, 5348740, 6418488, 8023110, 8281920, 8557984, 10697480, 12836976, 16046220, 17115968, 21394960, 25673952, 32092440, 42789920, 51347904, 64184880, 85579840, 128369760, 256739520]

約数ペア:

[(1, 256739520), (2, 128369760), (3, 85579840), (4, 64184880), (5, 51347904), (6, 42789920), (8, 32092440), (10, 25673952), (12, 21394960), (15, 17115968), (16, 16046220), (20, 12836976), (24, 10697480), (30, 8557984), (31, 8281920), (32, 8023110), (40, 6418488), (48, 5348740), (60, 4278992), (62, 4140960), (64, 4011555), (80, 3209244), (93, 2760640), (96, 2674370), (120, 2139496), (124, 2070480), (155, 1656384), (160, 1604622), (186, 1380320), (192, 1337185), (240, 1069748), (248, 1035240), (310, 828192), (320, 802311), (372, 690160), (465, 552128), (480, 534874), (496, 517620), (620, 414096), (744, 345080), (930, 276064), (960, 267437), (992, 258810), (1240, 207048), (1488, 172540), (1860, 138032), (1984, 129405), (2480, 103524), (2976, 86270), (3720, 69016), (4960, 51762), (5952, 43135), (7440, 34508), (8627, 29760), (9920, 25881), (14880, 17254)]