1812431520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6389}}^1$

素因数の和:6607

約数の個数: 144

約数和(自身を含む): 6217291080

約数和(自身を除く): 4404859560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 197, 240, 288, 360, 394, 480, 591, 720, 788, 985, 1182, 1440, 1576, 1773, 1970, 2364, 2955, 3152, 3546, 3940, 4728, 5910, 6304, 6389, 7092, 7880, 8865, 9456, 11820, 12778, 14184, 15760, 17730, 18912, 19167, 23640, 25556, 28368, 31520, 31945, 35460, 38334, 47280, 51112, 56736, 57501, 63890, 70920, 76668, 94560, 95835, 102224, 115002, 127780, 141840, 153336, 191670, 204448, 230004, 255560, 283680, 287505, 306672, 383340, 460008, 511120, 575010, 613344, 766680, 920016, 1022240, 1150020, 1258633, 1533360, 1840032, 2300040, 2517266, 3066720, 3775899, 4600080, 5034532, 6293165, 7551798, 9200160, 10069064, 11327697, 12586330, 15103596, 18879495, 20138128, 22655394, 25172660, 30207192, 37758990, 40276256, 45310788, 50345320, 56638485, 60414384, 75517980, 90621576, 100690640, 113276970, 120828768, 151035960, 181243152, 201381280, 226553940, 302071920, 362486304, 453107880, 604143840, 906215760, 1812431520]

約数ペア:

[(1, 1812431520), (2, 906215760), (3, 604143840), (4, 453107880), (5, 362486304), (6, 302071920), (8, 226553940), (9, 201381280), (10, 181243152), (12, 151035960), (15, 120828768), (16, 113276970), (18, 100690640), (20, 90621576), (24, 75517980), (30, 60414384), (32, 56638485), (36, 50345320), (40, 45310788), (45, 40276256), (48, 37758990), (60, 30207192), (72, 25172660), (80, 22655394), (90, 20138128), (96, 18879495), (120, 15103596), (144, 12586330), (160, 11327697), (180, 10069064), (197, 9200160), (240, 7551798), (288, 6293165), (360, 5034532), (394, 4600080), (480, 3775899), (591, 3066720), (720, 2517266), (788, 2300040), (985, 1840032), (1182, 1533360), (1440, 1258633), (1576, 1150020), (1773, 1022240), (1970, 920016), (2364, 766680), (2955, 613344), (3152, 575010), (3546, 511120), (3940, 460008), (4728, 383340), (5910, 306672), (6304, 287505), (6389, 283680), (7092, 255560), (7880, 230004), (8865, 204448), (9456, 191670), (11820, 153336), (12778, 141840), (14184, 127780), (15760, 115002), (17730, 102224), (18912, 95835), (19167, 94560), (23640, 76668), (25556, 70920), (28368, 63890), (31520, 57501), (31945, 56736), (35460, 51112), (38334, 47280)]