213903720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6389}}^1$

素因数の和:6440

約数の個数: 128

約数和(自身を含む): 736128000

約数和(自身を除く): 522224280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6389, 6696, 8370, 11160, 12778, 16740, 19167, 25556, 31945, 33480, 38334, 51112, 57501, 63890, 76668, 95835, 115002, 127780, 153336, 172503, 191670, 198059, 230004, 255560, 287505, 345006, 383340, 396118, 460008, 575010, 594177, 690012, 766680, 792236, 862515, 990295, 1150020, 1188354, 1380024, 1584472, 1725030, 1782531, 1980590, 2300040, 2376708, 2970885, 3450060, 3565062, 3961180, 4753416, 5347593, 5941770, 6900120, 7130124, 7922360, 8912655, 10695186, 11883540, 14260248, 17825310, 21390372, 23767080, 26737965, 35650620, 42780744, 53475930, 71301240, 106951860, 213903720]

約数ペア:

[(1, 213903720), (2, 106951860), (3, 71301240), (4, 53475930), (5, 42780744), (6, 35650620), (8, 26737965), (9, 23767080), (10, 21390372), (12, 17825310), (15, 14260248), (18, 11883540), (20, 10695186), (24, 8912655), (27, 7922360), (30, 7130124), (31, 6900120), (36, 5941770), (40, 5347593), (45, 4753416), (54, 3961180), (60, 3565062), (62, 3450060), (72, 2970885), (90, 2376708), (93, 2300040), (108, 1980590), (120, 1782531), (124, 1725030), (135, 1584472), (155, 1380024), (180, 1188354), (186, 1150020), (216, 990295), (248, 862515), (270, 792236), (279, 766680), (310, 690012), (360, 594177), (372, 575010), (465, 460008), (540, 396118), (558, 383340), (620, 345006), (744, 287505), (837, 255560), (930, 230004), (1080, 198059), (1116, 191670), (1240, 172503), (1395, 153336), (1674, 127780), (1860, 115002), (2232, 95835), (2790, 76668), (3348, 63890), (3720, 57501), (4185, 51112), (5580, 38334), (6389, 33480), (6696, 31945), (8370, 25556), (11160, 19167), (12778, 16740)]