1491920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1097}}^1$

素因数の和:1127

約数の個数: 40

約数和(自身を含む): 3676104

約数和(自身を除く): 2184184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1097, 1360, 2194, 4388, 5485, 8776, 10970, 17552, 18649, 21940, 37298, 43880, 74596, 87760, 93245, 149192, 186490, 298384, 372980, 745960, 1491920]

約数ペア:

[(1, 1491920), (2, 745960), (4, 372980), (5, 298384), (8, 186490), (10, 149192), (16, 93245), (17, 87760), (20, 74596), (34, 43880), (40, 37298), (68, 21940), (80, 18649), (85, 17552), (136, 10970), (170, 8776), (272, 5485), (340, 4388), (680, 2194), (1097, 1360)]