336578920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 855360000

約数和(自身を除く): 518781080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 109, 136, 152, 170, 190, 218, 239, 323, 340, 380, 436, 478, 545, 646, 680, 760, 872, 956, 1090, 1195, 1292, 1615, 1853, 1912, 2071, 2180, 2390, 2584, 3230, 3706, 4063, 4142, 4360, 4541, 4780, 6460, 7412, 8126, 8284, 9082, 9265, 9560, 10355, 12920, 14824, 16252, 16568, 18164, 18530, 20315, 20710, 22705, 26051, 32504, 35207, 36328, 37060, 40630, 41420, 45410, 52102, 70414, 74120, 77197, 81260, 82840, 90820, 104204, 130255, 140828, 154394, 162520, 176035, 181640, 208408, 260510, 281656, 308788, 352070, 385985, 442867, 494969, 521020, 617576, 704140, 771970, 885734, 989938, 1042040, 1408280, 1543940, 1771468, 1979876, 2214335, 2474845, 3087880, 3542936, 3959752, 4428670, 4949690, 8414473, 8857340, 9899380, 16828946, 17714680, 19798760, 33657892, 42072365, 67315784, 84144730, 168289460, 336578920]

約数ペア:

[(1, 336578920), (2, 168289460), (4, 84144730), (5, 67315784), (8, 42072365), (10, 33657892), (17, 19798760), (19, 17714680), (20, 16828946), (34, 9899380), (38, 8857340), (40, 8414473), (68, 4949690), (76, 4428670), (85, 3959752), (95, 3542936), (109, 3087880), (136, 2474845), (152, 2214335), (170, 1979876), (190, 1771468), (218, 1543940), (239, 1408280), (323, 1042040), (340, 989938), (380, 885734), (436, 771970), (478, 704140), (545, 617576), (646, 521020), (680, 494969), (760, 442867), (872, 385985), (956, 352070), (1090, 308788), (1195, 281656), (1292, 260510), (1615, 208408), (1853, 181640), (1912, 176035), (2071, 162520), (2180, 154394), (2390, 140828), (2584, 130255), (3230, 104204), (3706, 90820), (4063, 82840), (4142, 81260), (4360, 77197), (4541, 74120), (4780, 70414), (6460, 52102), (7412, 45410), (8126, 41420), (8284, 40630), (9082, 37060), (9265, 36328), (9560, 35207), (10355, 32504), (12920, 26051), (14824, 22705), (16252, 20710), (16568, 20315), (18164, 18530)]