81173880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75161}}^1$

素因数の和:75181

約数の個数: 64

約数和(自身を含む): 270583200

約数和(自身を除く): 189409320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75161, 150322, 225483, 300644, 375805, 450966, 601288, 676449, 751610, 901932, 1127415, 1352898, 1503220, 1803864, 2029347, 2254830, 2705796, 3006440, 3382245, 4058694, 4509660, 5411592, 6764490, 8117388, 9019320, 10146735, 13528980, 16234776, 20293470, 27057960, 40586940, 81173880]

約数ペア:

[(1, 81173880), (2, 40586940), (3, 27057960), (4, 20293470), (5, 16234776), (6, 13528980), (8, 10146735), (9, 9019320), (10, 8117388), (12, 6764490), (15, 5411592), (18, 4509660), (20, 4058694), (24, 3382245), (27, 3006440), (30, 2705796), (36, 2254830), (40, 2029347), (45, 1803864), (54, 1503220), (60, 1352898), (72, 1127415), (90, 901932), (108, 751610), (120, 676449), (135, 601288), (180, 450966), (216, 375805), (270, 300644), (360, 225483), (540, 150322), (1080, 75161)]