426720320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1531}}^1$

素因数の和:1628

約数の個数: 112

約数和(自身を含む): 1111349568

約数和(自身を除く): 684629248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 130, 134, 160, 208, 260, 268, 320, 335, 416, 520, 536, 670, 832, 871, 1040, 1072, 1340, 1531, 1742, 2080, 2144, 2680, 3062, 3484, 4160, 4288, 4355, 5360, 6124, 6968, 7655, 8710, 10720, 12248, 13936, 15310, 17420, 19903, 21440, 24496, 27872, 30620, 34840, 39806, 48992, 55744, 61240, 69680, 79612, 97984, 99515, 102577, 122480, 139360, 159224, 199030, 205154, 244960, 278720, 318448, 398060, 410308, 489920, 512885, 636896, 796120, 820616, 1025770, 1273792, 1333501, 1592240, 1641232, 2051540, 2667002, 3184480, 3282464, 4103080, 5334004, 6368960, 6564928, 6667505, 8206160, 10668008, 13335010, 16412320, 21336016, 26670020, 32824640, 42672032, 53340040, 85344064, 106680080, 213360160, 426720320]

約数ペア:

[(1, 426720320), (2, 213360160), (4, 106680080), (5, 85344064), (8, 53340040), (10, 42672032), (13, 32824640), (16, 26670020), (20, 21336016), (26, 16412320), (32, 13335010), (40, 10668008), (52, 8206160), (64, 6667505), (65, 6564928), (67, 6368960), (80, 5334004), (104, 4103080), (130, 3282464), (134, 3184480), (160, 2667002), (208, 2051540), (260, 1641232), (268, 1592240), (320, 1333501), (335, 1273792), (416, 1025770), (520, 820616), (536, 796120), (670, 636896), (832, 512885), (871, 489920), (1040, 410308), (1072, 398060), (1340, 318448), (1531, 278720), (1742, 244960), (2080, 205154), (2144, 199030), (2680, 159224), (3062, 139360), (3484, 122480), (4160, 102577), (4288, 99515), (4355, 97984), (5360, 79612), (6124, 69680), (6968, 61240), (7655, 55744), (8710, 48992), (10720, 39806), (12248, 34840), (13936, 30620), (15310, 27872), (17420, 24496), (19903, 21440)]