12459440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1210

約数の個数: 80

約数和(自身を含む): 34878720

約数和(自身を除く): 22419280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1171, 1330, 1520, 2128, 2342, 2660, 4684, 5320, 5855, 8197, 9368, 10640, 11710, 16394, 18736, 22249, 23420, 32788, 40985, 44498, 46840, 65576, 81970, 88996, 93680, 111245, 131152, 155743, 163940, 177992, 222490, 311486, 327880, 355984, 444980, 622972, 655760, 778715, 889960, 1245944, 1557430, 1779920, 2491888, 3114860, 6229720, 12459440]

約数ペア:

[(1, 12459440), (2, 6229720), (4, 3114860), (5, 2491888), (7, 1779920), (8, 1557430), (10, 1245944), (14, 889960), (16, 778715), (19, 655760), (20, 622972), (28, 444980), (35, 355984), (38, 327880), (40, 311486), (56, 222490), (70, 177992), (76, 163940), (80, 155743), (95, 131152), (112, 111245), (133, 93680), (140, 88996), (152, 81970), (190, 65576), (266, 46840), (280, 44498), (304, 40985), (380, 32788), (532, 23420), (560, 22249), (665, 18736), (760, 16394), (1064, 11710), (1171, 10640), (1330, 9368), (1520, 8197), (2128, 5855), (2342, 5320), (2660, 4684)]