479978720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 1300561920

約数和(自身を除く): 820583200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 79, 80, 92, 104, 115, 127, 130, 158, 160, 184, 208, 230, 254, 260, 299, 316, 368, 395, 416, 460, 508, 520, 598, 632, 635, 736, 790, 920, 1016, 1027, 1040, 1196, 1264, 1270, 1495, 1580, 1651, 1817, 1840, 2032, 2054, 2080, 2392, 2528, 2540, 2921, 2990, 3160, 3302, 3634, 3680, 4064, 4108, 4784, 5080, 5135, 5842, 5980, 6320, 6604, 7268, 8216, 8255, 9085, 9568, 10033, 10160, 10270, 11684, 11960, 12640, 13208, 14536, 14605, 16432, 16510, 18170, 20066, 20320, 20540, 23368, 23621, 23920, 26416, 29072, 29210, 32864, 33020, 36340, 37973, 40132, 41080, 46736, 47242, 47840, 50165, 52832, 58144, 58420, 66040, 72680, 75946, 80264, 82160, 93472, 94484, 100330, 116840, 118105, 130429, 132080, 145360, 151892, 160528, 164320, 188968, 189865, 200660, 230759, 233680, 236210, 260858, 264160, 290720, 303784, 321056, 377936, 379730, 401320, 461518, 467360, 472420, 521716, 607568, 652145, 755872, 759460, 802640, 923036, 944840, 1043432, 1153795, 1215136, 1304290, 1518920, 1605280, 1846072, 1889680, 2086864, 2307590, 2608580, 2999867, 3037840, 3692144, 3779360, 4173728, 4615180, 5217160, 5999734, 6075680, 7384288, 9230360, 10434320, 11999468, 14999335, 18460720, 20868640, 23998936, 29998670, 36921440, 47997872, 59997340, 95995744, 119994680, 239989360, 479978720]

約数ペア:

[(1, 479978720), (2, 239989360), (4, 119994680), (5, 95995744), (8, 59997340), (10, 47997872), (13, 36921440), (16, 29998670), (20, 23998936), (23, 20868640), (26, 18460720), (32, 14999335), (40, 11999468), (46, 10434320), (52, 9230360), (65, 7384288), (79, 6075680), (80, 5999734), (92, 5217160), (104, 4615180), (115, 4173728), (127, 3779360), (130, 3692144), (158, 3037840), (160, 2999867), (184, 2608580), (208, 2307590), (230, 2086864), (254, 1889680), (260, 1846072), (299, 1605280), (316, 1518920), (368, 1304290), (395, 1215136), (416, 1153795), (460, 1043432), (508, 944840), (520, 923036), (598, 802640), (632, 759460), (635, 755872), (736, 652145), (790, 607568), (920, 521716), (1016, 472420), (1027, 467360), (1040, 461518), (1196, 401320), (1264, 379730), (1270, 377936), (1495, 321056), (1580, 303784), (1651, 290720), (1817, 264160), (1840, 260858), (2032, 236210), (2054, 233680), (2080, 230759), (2392, 200660), (2528, 189865), (2540, 188968), (2921, 164320), (2990, 160528), (3160, 151892), (3302, 145360), (3634, 132080), (3680, 130429), (4064, 118105), (4108, 116840), (4784, 100330), (5080, 94484), (5135, 93472), (5842, 82160), (5980, 80264), (6320, 75946), (6604, 72680), (7268, 66040), (8216, 58420), (8255, 58144), (9085, 52832), (9568, 50165), (10033, 47840), (10160, 47242), (10270, 46736), (11684, 41080), (11960, 40132), (12640, 37973), (13208, 36340), (14536, 33020), (14605, 32864), (16432, 29210), (16510, 29072), (18170, 26416), (20066, 23920), (20320, 23621), (20540, 23368)]