217475640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:646

約数の個数: 192

約数和(自身を含む): 752263200

約数和(自身を除く): 534787560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 37, 40, 45, 58, 60, 72, 74, 87, 90, 111, 116, 120, 145, 148, 174, 180, 185, 222, 232, 261, 290, 296, 333, 348, 360, 370, 435, 444, 522, 555, 563, 580, 666, 696, 740, 870, 888, 1044, 1073, 1110, 1126, 1160, 1305, 1332, 1480, 1665, 1689, 1740, 2088, 2146, 2220, 2252, 2610, 2664, 2815, 3219, 3330, 3378, 3480, 4292, 4440, 4504, 5067, 5220, 5365, 5630, 6438, 6660, 6756, 8445, 8584, 9657, 10134, 10440, 10730, 11260, 12876, 13320, 13512, 16095, 16327, 16890, 19314, 20268, 20831, 21460, 22520, 25335, 25752, 32190, 32654, 33780, 38628, 40536, 41662, 42920, 48285, 48981, 50670, 62493, 64380, 65308, 67560, 77256, 81635, 83324, 96570, 97962, 101340, 104155, 124986, 128760, 130616, 146943, 163270, 166648, 187479, 193140, 195924, 202680, 208310, 244905, 249972, 293886, 312465, 326540, 374958, 386280, 391848, 416620, 489810, 499944, 587772, 604099, 624930, 653080, 734715, 749916, 833240, 937395, 979620, 1175544, 1208198, 1249860, 1469430, 1499832, 1812297, 1874790, 1959240, 2416396, 2499720, 2938860, 3020495, 3624594, 3749580, 4832792, 5436891, 5877720, 6040990, 7249188, 7499160, 9061485, 10873782, 12081980, 14498376, 18122970, 21747564, 24163960, 27184455, 36245940, 43495128, 54368910, 72491880, 108737820, 217475640]

約数ペア:

[(1, 217475640), (2, 108737820), (3, 72491880), (4, 54368910), (5, 43495128), (6, 36245940), (8, 27184455), (9, 24163960), (10, 21747564), (12, 18122970), (15, 14498376), (18, 12081980), (20, 10873782), (24, 9061485), (29, 7499160), (30, 7249188), (36, 6040990), (37, 5877720), (40, 5436891), (45, 4832792), (58, 3749580), (60, 3624594), (72, 3020495), (74, 2938860), (87, 2499720), (90, 2416396), (111, 1959240), (116, 1874790), (120, 1812297), (145, 1499832), (148, 1469430), (174, 1249860), (180, 1208198), (185, 1175544), (222, 979620), (232, 937395), (261, 833240), (290, 749916), (296, 734715), (333, 653080), (348, 624930), (360, 604099), (370, 587772), (435, 499944), (444, 489810), (522, 416620), (555, 391848), (563, 386280), (580, 374958), (666, 326540), (696, 312465), (740, 293886), (870, 249972), (888, 244905), (1044, 208310), (1073, 202680), (1110, 195924), (1126, 193140), (1160, 187479), (1305, 166648), (1332, 163270), (1480, 146943), (1665, 130616), (1689, 128760), (1740, 124986), (2088, 104155), (2146, 101340), (2220, 97962), (2252, 96570), (2610, 83324), (2664, 81635), (2815, 77256), (3219, 67560), (3330, 65308), (3378, 64380), (3480, 62493), (4292, 50670), (4440, 48981), (4504, 48285), (5067, 42920), (5220, 41662), (5365, 40536), (5630, 38628), (6438, 33780), (6660, 32654), (6756, 32190), (8445, 25752), (8584, 25335), (9657, 22520), (10134, 21460), (10440, 20831), (10730, 20268), (11260, 19314), (12876, 16890), (13320, 16327), (13512, 16095)]