1226780520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{85909}}^1$

素因数の和:85947

約数の個数: 128

約数和(自身を含む): 4453574400

約数和(自身を除く): 3226793880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 85909, 171818, 257727, 343636, 429545, 515454, 601363, 687272, 859090, 1030908, 1202726, 1288635, 1460453, 1718180, 1804089, 2061816, 2405452, 2577270, 2920906, 3006815, 3436360, 3608178, 4381359, 4810904, 5154540, 5841812, 6013630, 7216356, 7302265, 8762718, 9020445, 10223171, 10309080, 11683624, 12027260, 14432712, 14604530, 17525436, 18040890, 20446342, 21906795, 24054520, 29209060, 30669513, 35050872, 36081780, 40892684, 43813590, 51115855, 58418120, 61339026, 72163560, 81785368, 87627180, 102231710, 122678052, 153347565, 175254360, 204463420, 245356104, 306695130, 408926840, 613390260, 1226780520]

約数ペア:

[(1, 1226780520), (2, 613390260), (3, 408926840), (4, 306695130), (5, 245356104), (6, 204463420), (7, 175254360), (8, 153347565), (10, 122678052), (12, 102231710), (14, 87627180), (15, 81785368), (17, 72163560), (20, 61339026), (21, 58418120), (24, 51115855), (28, 43813590), (30, 40892684), (34, 36081780), (35, 35050872), (40, 30669513), (42, 29209060), (51, 24054520), (56, 21906795), (60, 20446342), (68, 18040890), (70, 17525436), (84, 14604530), (85, 14432712), (102, 12027260), (105, 11683624), (119, 10309080), (120, 10223171), (136, 9020445), (140, 8762718), (168, 7302265), (170, 7216356), (204, 6013630), (210, 5841812), (238, 5154540), (255, 4810904), (280, 4381359), (340, 3608178), (357, 3436360), (408, 3006815), (420, 2920906), (476, 2577270), (510, 2405452), (595, 2061816), (680, 1804089), (714, 1718180), (840, 1460453), (952, 1288635), (1020, 1202726), (1190, 1030908), (1428, 859090), (1785, 687272), (2040, 601363), (2380, 515454), (2856, 429545), (3570, 343636), (4760, 257727), (7140, 171818), (14280, 85909)]