1279647520

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{577}}^1$

素因数の和:842

約数の個数: 96

約数和(自身を含む): 3083246208

約数和(自身を除く): 1803598688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 167, 332, 334, 415, 577, 664, 668, 830, 835, 1154, 1328, 1336, 1660, 1670, 2308, 2656, 2672, 2885, 3320, 3340, 4616, 5344, 5770, 6640, 6680, 9232, 11540, 13280, 13360, 13861, 18464, 23080, 26720, 27722, 46160, 47891, 55444, 69305, 92320, 95782, 96359, 110888, 138610, 191564, 192718, 221776, 239455, 277220, 383128, 385436, 443552, 478910, 481795, 554440, 766256, 770872, 957820, 963590, 1108880, 1532512, 1541744, 1915640, 1927180, 2217760, 3083488, 3831280, 3854360, 7662560, 7708720, 7997797, 15417440, 15995594, 31991188, 39988985, 63982376, 79977970, 127964752, 159955940, 255929504, 319911880, 639823760, 1279647520]

約数ペア:

[(1, 1279647520), (2, 639823760), (4, 319911880), (5, 255929504), (8, 159955940), (10, 127964752), (16, 79977970), (20, 63982376), (32, 39988985), (40, 31991188), (80, 15995594), (83, 15417440), (160, 7997797), (166, 7708720), (167, 7662560), (332, 3854360), (334, 3831280), (415, 3083488), (577, 2217760), (664, 1927180), (668, 1915640), (830, 1541744), (835, 1532512), (1154, 1108880), (1328, 963590), (1336, 957820), (1660, 770872), (1670, 766256), (2308, 554440), (2656, 481795), (2672, 478910), (2885, 443552), (3320, 385436), (3340, 383128), (4616, 277220), (5344, 239455), (5770, 221776), (6640, 192718), (6680, 191564), (9232, 138610), (11540, 110888), (13280, 96359), (13360, 95782), (13861, 92320), (18464, 69305), (23080, 55444), (26720, 47891), (27722, 46160)]