1089622720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109841}}^1$

素因数の和:109889

約数の個数: 56

約数和(自身を含む): 2678387328

約数和(自身を除く): 1588764608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 109841, 219682, 439364, 549205, 878728, 1098410, 1757456, 2196820, 3405071, 3514912, 4393640, 6810142, 7029824, 8787280, 13620284, 17025355, 17574560, 27240568, 34050710, 35149120, 54481136, 68101420, 108962272, 136202840, 217924544, 272405680, 544811360, 1089622720]

約数ペア:

[(1, 1089622720), (2, 544811360), (4, 272405680), (5, 217924544), (8, 136202840), (10, 108962272), (16, 68101420), (20, 54481136), (31, 35149120), (32, 34050710), (40, 27240568), (62, 17574560), (64, 17025355), (80, 13620284), (124, 8787280), (155, 7029824), (160, 6810142), (248, 4393640), (310, 3514912), (320, 3405071), (496, 2196820), (620, 1757456), (992, 1098410), (1240, 878728), (1984, 549205), (2480, 439364), (4960, 219682), (9920, 109841)]