1018640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 2892672

約数和(自身を除く): 1874032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 107, 112, 119, 136, 140, 170, 214, 238, 272, 280, 340, 428, 476, 535, 560, 595, 680, 749, 856, 952, 1070, 1190, 1360, 1498, 1712, 1819, 1904, 2140, 2380, 2996, 3638, 3745, 4280, 4760, 5992, 7276, 7490, 8560, 9095, 9520, 11984, 12733, 14552, 14980, 18190, 25466, 29104, 29960, 36380, 50932, 59920, 63665, 72760, 101864, 127330, 145520, 203728, 254660, 509320, 1018640]

約数ペア:

[(1, 1018640), (2, 509320), (4, 254660), (5, 203728), (7, 145520), (8, 127330), (10, 101864), (14, 72760), (16, 63665), (17, 59920), (20, 50932), (28, 36380), (34, 29960), (35, 29104), (40, 25466), (56, 18190), (68, 14980), (70, 14552), (80, 12733), (85, 11984), (107, 9520), (112, 9095), (119, 8560), (136, 7490), (140, 7276), (170, 5992), (214, 4760), (238, 4280), (272, 3745), (280, 3638), (340, 2996), (428, 2380), (476, 2140), (535, 1904), (560, 1819), (595, 1712), (680, 1498), (749, 1360), (856, 1190), (952, 1070)]