38943840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 133802928

約数和(自身を除く): 94859088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 79, 80, 96, 104, 120, 130, 156, 158, 160, 195, 208, 237, 240, 260, 312, 316, 390, 395, 416, 474, 480, 520, 624, 632, 780, 790, 948, 1027, 1040, 1185, 1248, 1264, 1560, 1580, 1896, 2054, 2080, 2370, 2528, 3081, 3120, 3160, 3792, 4108, 4740, 5135, 6162, 6240, 6241, 6320, 7584, 8216, 9480, 10270, 12324, 12482, 12640, 15405, 16432, 18723, 18960, 20540, 24648, 24964, 30810, 31205, 32864, 37446, 37920, 41080, 49296, 49928, 61620, 62410, 74892, 81133, 82160, 93615, 98592, 99856, 123240, 124820, 149784, 162266, 164320, 187230, 199712, 243399, 246480, 249640, 299568, 324532, 374460, 405665, 486798, 492960, 499280, 599136, 649064, 748920, 811330, 973596, 998560, 1216995, 1298128, 1497840, 1622660, 1947192, 2433990, 2596256, 2995680, 3245320, 3894384, 4867980, 6490640, 7788768, 9735960, 12981280, 19471920, 38943840]

約数ペア:

[(1, 38943840), (2, 19471920), (3, 12981280), (4, 9735960), (5, 7788768), (6, 6490640), (8, 4867980), (10, 3894384), (12, 3245320), (13, 2995680), (15, 2596256), (16, 2433990), (20, 1947192), (24, 1622660), (26, 1497840), (30, 1298128), (32, 1216995), (39, 998560), (40, 973596), (48, 811330), (52, 748920), (60, 649064), (65, 599136), (78, 499280), (79, 492960), (80, 486798), (96, 405665), (104, 374460), (120, 324532), (130, 299568), (156, 249640), (158, 246480), (160, 243399), (195, 199712), (208, 187230), (237, 164320), (240, 162266), (260, 149784), (312, 124820), (316, 123240), (390, 99856), (395, 98592), (416, 93615), (474, 82160), (480, 81133), (520, 74892), (624, 62410), (632, 61620), (780, 49928), (790, 49296), (948, 41080), (1027, 37920), (1040, 37446), (1185, 32864), (1248, 31205), (1264, 30810), (1560, 24964), (1580, 24648), (1896, 20540), (2054, 18960), (2080, 18723), (2370, 16432), (2528, 15405), (3081, 12640), (3120, 12482), (3160, 12324), (3792, 10270), (4108, 9480), (4740, 8216), (5135, 7584), (6162, 6320), (6240, 6241)]