248005520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 459092080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 109, 112, 119, 136, 140, 170, 218, 238, 239, 272, 280, 340, 436, 476, 478, 545, 560, 595, 680, 763, 872, 952, 956, 1090, 1190, 1195, 1360, 1526, 1673, 1744, 1853, 1904, 1912, 2180, 2380, 2390, 3052, 3346, 3706, 3815, 3824, 4063, 4360, 4760, 4780, 6104, 6692, 7412, 7630, 8126, 8365, 8720, 9265, 9520, 9560, 12208, 12971, 13384, 14824, 15260, 16252, 16730, 18530, 19120, 20315, 25942, 26051, 26768, 28441, 29648, 30520, 32504, 33460, 37060, 40630, 51884, 52102, 56882, 61040, 64855, 65008, 66920, 74120, 81260, 103768, 104204, 113764, 129710, 130255, 133840, 142205, 148240, 162520, 182357, 207536, 208408, 227528, 259420, 260510, 284410, 325040, 364714, 416816, 442867, 455056, 518840, 521020, 568820, 729428, 885734, 911785, 1037680, 1042040, 1137640, 1458856, 1771468, 1823570, 2084080, 2214335, 2275280, 2917712, 3100069, 3542936, 3647140, 4428670, 6200138, 7085872, 7294280, 8857340, 12400276, 14588560, 15500345, 17714680, 24800552, 31000690, 35429360, 49601104, 62001380, 124002760, 248005520]

約数ペア:

[(1, 248005520), (2, 124002760), (4, 62001380), (5, 49601104), (7, 35429360), (8, 31000690), (10, 24800552), (14, 17714680), (16, 15500345), (17, 14588560), (20, 12400276), (28, 8857340), (34, 7294280), (35, 7085872), (40, 6200138), (56, 4428670), (68, 3647140), (70, 3542936), (80, 3100069), (85, 2917712), (109, 2275280), (112, 2214335), (119, 2084080), (136, 1823570), (140, 1771468), (170, 1458856), (218, 1137640), (238, 1042040), (239, 1037680), (272, 911785), (280, 885734), (340, 729428), (436, 568820), (476, 521020), (478, 518840), (545, 455056), (560, 442867), (595, 416816), (680, 364714), (763, 325040), (872, 284410), (952, 260510), (956, 259420), (1090, 227528), (1190, 208408), (1195, 207536), (1360, 182357), (1526, 162520), (1673, 148240), (1744, 142205), (1853, 133840), (1904, 130255), (1912, 129710), (2180, 113764), (2380, 104204), (2390, 103768), (3052, 81260), (3346, 74120), (3706, 66920), (3815, 65008), (3824, 64855), (4063, 61040), (4360, 56882), (4760, 52102), (4780, 51884), (6104, 40630), (6692, 37060), (7412, 33460), (7630, 32504), (8126, 30520), (8365, 29648), (8720, 28441), (9265, 26768), (9520, 26051), (9560, 25942), (12208, 20315), (12971, 19120), (13384, 18530), (14824, 16730), (15260, 16252)]