211642560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1775

約数の個数: 168

約数和(自身を含む): 745327440

約数和(自身を除く): 533684880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 192, 215, 240, 258, 288, 320, 344, 360, 387, 430, 480, 516, 576, 645, 688, 720, 774, 860, 960, 1032, 1290, 1376, 1440, 1548, 1709, 1720, 1935, 2064, 2580, 2752, 2880, 3096, 3418, 3440, 3870, 4128, 5127, 5160, 6192, 6836, 6880, 7740, 8256, 8545, 10254, 10320, 12384, 13672, 13760, 15381, 15480, 17090, 20508, 20640, 24768, 25635, 27344, 30762, 30960, 34180, 41016, 41280, 51270, 54688, 61524, 61920, 68360, 73487, 76905, 82032, 102540, 109376, 123048, 123840, 136720, 146974, 153810, 164064, 205080, 220461, 246096, 273440, 293948, 307620, 328128, 367435, 410160, 440922, 492192, 546880, 587896, 615240, 661383, 734870, 820320, 881844, 984384, 1102305, 1175792, 1230480, 1322766, 1469740, 1640640, 1763688, 2204610, 2351584, 2460960, 2645532, 2939480, 3306915, 3527376, 4409220, 4703168, 4921920, 5291064, 5878960, 6613830, 7054752, 8818440, 10582128, 11757920, 13227660, 14109504, 17636880, 21164256, 23515840, 26455320, 35273760, 42328512, 52910640, 70547520, 105821280, 211642560]

約数ペア:

[(1, 211642560), (2, 105821280), (3, 70547520), (4, 52910640), (5, 42328512), (6, 35273760), (8, 26455320), (9, 23515840), (10, 21164256), (12, 17636880), (15, 14109504), (16, 13227660), (18, 11757920), (20, 10582128), (24, 8818440), (30, 7054752), (32, 6613830), (36, 5878960), (40, 5291064), (43, 4921920), (45, 4703168), (48, 4409220), (60, 3527376), (64, 3306915), (72, 2939480), (80, 2645532), (86, 2460960), (90, 2351584), (96, 2204610), (120, 1763688), (129, 1640640), (144, 1469740), (160, 1322766), (172, 1230480), (180, 1175792), (192, 1102305), (215, 984384), (240, 881844), (258, 820320), (288, 734870), (320, 661383), (344, 615240), (360, 587896), (387, 546880), (430, 492192), (480, 440922), (516, 410160), (576, 367435), (645, 328128), (688, 307620), (720, 293948), (774, 273440), (860, 246096), (960, 220461), (1032, 205080), (1290, 164064), (1376, 153810), (1440, 146974), (1548, 136720), (1709, 123840), (1720, 123048), (1935, 109376), (2064, 102540), (2580, 82032), (2752, 76905), (2880, 73487), (3096, 68360), (3418, 61920), (3440, 61524), (3870, 54688), (4128, 51270), (5127, 41280), (5160, 41016), (6192, 34180), (6836, 30960), (6880, 30762), (7740, 27344), (8256, 25635), (8545, 24768), (10254, 20640), (10320, 20508), (12384, 17090), (13672, 15480), (13760, 15381)]