91378920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2963}}^1$

素因数の和:3234

約数の個数: 64

約数和(自身を含む): 275296320

約数和(自身を除く): 183917400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 2963, 3084, 3855, 5140, 5926, 6168, 7710, 8889, 10280, 11852, 14815, 15420, 17778, 23704, 29630, 30840, 35556, 44445, 59260, 71112, 88890, 118520, 177780, 355560, 761491, 1522982, 2284473, 3045964, 3807455, 4568946, 6091928, 7614910, 9137892, 11422365, 15229820, 18275784, 22844730, 30459640, 45689460, 91378920]

約数ペア:

[(1, 91378920), (2, 45689460), (3, 30459640), (4, 22844730), (5, 18275784), (6, 15229820), (8, 11422365), (10, 9137892), (12, 7614910), (15, 6091928), (20, 4568946), (24, 3807455), (30, 3045964), (40, 2284473), (60, 1522982), (120, 761491), (257, 355560), (514, 177780), (771, 118520), (1028, 88890), (1285, 71112), (1542, 59260), (2056, 44445), (2570, 35556), (2963, 30840), (3084, 29630), (3855, 23704), (5140, 17778), (5926, 15420), (6168, 14815), (7710, 11852), (8889, 10280)]