138357440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 112

約数和(自身を含む): 360151680

約数和(自身を除く): 221794240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 320, 395, 416, 421, 520, 632, 790, 832, 842, 1027, 1040, 1264, 1580, 1684, 2054, 2080, 2105, 2528, 3160, 3368, 4108, 4160, 4210, 5056, 5135, 5473, 6320, 6736, 8216, 8420, 10270, 10946, 12640, 13472, 16432, 16840, 20540, 21892, 25280, 26944, 27365, 32864, 33259, 33680, 41080, 43784, 54730, 65728, 66518, 67360, 82160, 87568, 109460, 133036, 134720, 164320, 166295, 175136, 218920, 266072, 328640, 332590, 350272, 432367, 437840, 532144, 665180, 864734, 875680, 1064288, 1330360, 1729468, 1751360, 2128576, 2161835, 2660720, 3458936, 4323670, 5321440, 6917872, 8647340, 10642880, 13835744, 17294680, 27671488, 34589360, 69178720, 138357440]

約数ペア:

[(1, 138357440), (2, 69178720), (4, 34589360), (5, 27671488), (8, 17294680), (10, 13835744), (13, 10642880), (16, 8647340), (20, 6917872), (26, 5321440), (32, 4323670), (40, 3458936), (52, 2660720), (64, 2161835), (65, 2128576), (79, 1751360), (80, 1729468), (104, 1330360), (130, 1064288), (158, 875680), (160, 864734), (208, 665180), (260, 532144), (316, 437840), (320, 432367), (395, 350272), (416, 332590), (421, 328640), (520, 266072), (632, 218920), (790, 175136), (832, 166295), (842, 164320), (1027, 134720), (1040, 133036), (1264, 109460), (1580, 87568), (1684, 82160), (2054, 67360), (2080, 66518), (2105, 65728), (2528, 54730), (3160, 43784), (3368, 41080), (4108, 33680), (4160, 33259), (4210, 32864), (5056, 27365), (5135, 26944), (5473, 25280), (6320, 21892), (6736, 20540), (8216, 16840), (8420, 16432), (10270, 13472), (10946, 12640)]