126978280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 341107200

約数和(自身を除く): 214128920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 79, 88, 104, 110, 130, 143, 158, 220, 260, 281, 286, 316, 395, 440, 520, 562, 572, 632, 715, 790, 869, 1027, 1124, 1144, 1405, 1430, 1580, 1738, 2054, 2248, 2810, 2860, 3091, 3160, 3476, 3653, 4108, 4345, 5135, 5620, 5720, 6182, 6952, 7306, 8216, 8690, 10270, 11240, 11297, 12364, 14612, 15455, 17380, 18265, 20540, 22199, 22594, 24728, 29224, 30910, 34760, 36530, 40183, 41080, 44398, 45188, 56485, 61820, 73060, 80366, 88796, 90376, 110995, 112970, 123640, 146120, 160732, 177592, 200915, 221990, 225940, 244189, 288587, 321464, 401830, 443980, 451880, 488378, 577174, 803660, 887960, 976756, 1154348, 1220945, 1442935, 1607320, 1953512, 2308696, 2441890, 2885870, 3174457, 4883780, 5771740, 6348914, 9767560, 11543480, 12697828, 15872285, 25395656, 31744570, 63489140, 126978280]

約数ペア:

[(1, 126978280), (2, 63489140), (4, 31744570), (5, 25395656), (8, 15872285), (10, 12697828), (11, 11543480), (13, 9767560), (20, 6348914), (22, 5771740), (26, 4883780), (40, 3174457), (44, 2885870), (52, 2441890), (55, 2308696), (65, 1953512), (79, 1607320), (88, 1442935), (104, 1220945), (110, 1154348), (130, 976756), (143, 887960), (158, 803660), (220, 577174), (260, 488378), (281, 451880), (286, 443980), (316, 401830), (395, 321464), (440, 288587), (520, 244189), (562, 225940), (572, 221990), (632, 200915), (715, 177592), (790, 160732), (869, 146120), (1027, 123640), (1124, 112970), (1144, 110995), (1405, 90376), (1430, 88796), (1580, 80366), (1738, 73060), (2054, 61820), (2248, 56485), (2810, 45188), (2860, 44398), (3091, 41080), (3160, 40183), (3476, 36530), (3653, 34760), (4108, 30910), (4345, 29224), (5135, 24728), (5620, 22594), (5720, 22199), (6182, 20540), (6952, 18265), (7306, 17380), (8216, 15455), (8690, 14612), (10270, 12364), (11240, 11297)]