2158640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1$

素因数の和:258

約数の個数: 60

約数和(自身を含む): 5541312

約数和(自身を除く): 3382672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 223, 242, 440, 446, 484, 605, 880, 892, 968, 1115, 1210, 1784, 1936, 2230, 2420, 2453, 3568, 4460, 4840, 4906, 8920, 9680, 9812, 12265, 17840, 19624, 24530, 26983, 39248, 49060, 53966, 98120, 107932, 134915, 196240, 215864, 269830, 431728, 539660, 1079320, 2158640]

約数ペア:

[(1, 2158640), (2, 1079320), (4, 539660), (5, 431728), (8, 269830), (10, 215864), (11, 196240), (16, 134915), (20, 107932), (22, 98120), (40, 53966), (44, 49060), (55, 39248), (80, 26983), (88, 24530), (110, 19624), (121, 17840), (176, 12265), (220, 9812), (223, 9680), (242, 8920), (440, 4906), (446, 4840), (484, 4460), (605, 3568), (880, 2453), (892, 2420), (968, 2230), (1115, 1936), (1210, 1784)]