279758640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{23789}}^1$

素因数の和:23819

約数の個数: 120

約数和(自身を含む): 1008886320

約数和(自身を除く): 729127680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 23789, 47578, 71367, 95156, 118945, 142734, 166523, 190312, 237890, 285468, 333046, 356835, 380624, 475780, 499569, 570936, 666092, 713670, 832615, 951560, 999138, 1141872, 1165661, 1332184, 1427340, 1665230, 1903120, 1998276, 2331322, 2497845, 2664368, 2854680, 3330460, 3496983, 3996552, 4662644, 4995690, 5709360, 5828305, 6660920, 6993966, 7993104, 9325288, 9991380, 11656610, 13321840, 13987932, 17484915, 18650576, 19982760, 23313220, 27975864, 34969830, 39965520, 46626440, 55951728, 69939660, 93252880, 139879320, 279758640]

約数ペア:

[(1, 279758640), (2, 139879320), (3, 93252880), (4, 69939660), (5, 55951728), (6, 46626440), (7, 39965520), (8, 34969830), (10, 27975864), (12, 23313220), (14, 19982760), (15, 18650576), (16, 17484915), (20, 13987932), (21, 13321840), (24, 11656610), (28, 9991380), (30, 9325288), (35, 7993104), (40, 6993966), (42, 6660920), (48, 5828305), (49, 5709360), (56, 4995690), (60, 4662644), (70, 3996552), (80, 3496983), (84, 3330460), (98, 2854680), (105, 2664368), (112, 2497845), (120, 2331322), (140, 1998276), (147, 1903120), (168, 1665230), (196, 1427340), (210, 1332184), (240, 1165661), (245, 1141872), (280, 999138), (294, 951560), (336, 832615), (392, 713670), (420, 666092), (490, 570936), (560, 499569), (588, 475780), (735, 380624), (784, 356835), (840, 333046), (980, 285468), (1176, 237890), (1470, 190312), (1680, 166523), (1960, 142734), (2352, 118945), (2940, 95156), (3920, 71367), (5880, 47578), (11760, 23789)]