78182520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2179}}^1$

素因数の和:2229

約数の個数: 128

約数和(自身を含む): 263692800

約数和(自身を除く): 185510280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2179, 2392, 2760, 2990, 3588, 4358, 4485, 5980, 6537, 7176, 8716, 8970, 10895, 11960, 13074, 17432, 17940, 21790, 26148, 28327, 32685, 35880, 43580, 50117, 52296, 56654, 65370, 84981, 87160, 100234, 113308, 130740, 141635, 150351, 169962, 200468, 226616, 250585, 261480, 283270, 300702, 339924, 400936, 424905, 501170, 566540, 601404, 651521, 679848, 751755, 849810, 1002340, 1133080, 1202808, 1303042, 1503510, 1699620, 1954563, 2004680, 2606084, 3007020, 3257605, 3399240, 3909126, 5212168, 6014040, 6515210, 7818252, 9772815, 13030420, 15636504, 19545630, 26060840, 39091260, 78182520]

約数ペア:

[(1, 78182520), (2, 39091260), (3, 26060840), (4, 19545630), (5, 15636504), (6, 13030420), (8, 9772815), (10, 7818252), (12, 6515210), (13, 6014040), (15, 5212168), (20, 3909126), (23, 3399240), (24, 3257605), (26, 3007020), (30, 2606084), (39, 2004680), (40, 1954563), (46, 1699620), (52, 1503510), (60, 1303042), (65, 1202808), (69, 1133080), (78, 1002340), (92, 849810), (104, 751755), (115, 679848), (120, 651521), (130, 601404), (138, 566540), (156, 501170), (184, 424905), (195, 400936), (230, 339924), (260, 300702), (276, 283270), (299, 261480), (312, 250585), (345, 226616), (390, 200468), (460, 169962), (520, 150351), (552, 141635), (598, 130740), (690, 113308), (780, 100234), (897, 87160), (920, 84981), (1196, 65370), (1380, 56654), (1495, 52296), (1560, 50117), (1794, 43580), (2179, 35880), (2392, 32685), (2760, 28327), (2990, 26148), (3588, 21790), (4358, 17940), (4485, 17432), (5980, 13074), (6537, 11960), (7176, 10895), (8716, 8970)]