40086180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2819}}^1$

素因数の和:2913

約数の個数: 72

約数和(自身を含む): 123177600

約数和(自身を除く): 83091420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2819, 2844, 3555, 4740, 5638, 7110, 8457, 11276, 14095, 14220, 16914, 25371, 28190, 33828, 42285, 50742, 56380, 84570, 101484, 126855, 169140, 222701, 253710, 445402, 507420, 668103, 890804, 1113505, 1336206, 2004309, 2227010, 2672412, 3340515, 4008618, 4454020, 6681030, 8017236, 10021545, 13362060, 20043090, 40086180]

約数ペア:

[(1, 40086180), (2, 20043090), (3, 13362060), (4, 10021545), (5, 8017236), (6, 6681030), (9, 4454020), (10, 4008618), (12, 3340515), (15, 2672412), (18, 2227010), (20, 2004309), (30, 1336206), (36, 1113505), (45, 890804), (60, 668103), (79, 507420), (90, 445402), (158, 253710), (180, 222701), (237, 169140), (316, 126855), (395, 101484), (474, 84570), (711, 56380), (790, 50742), (948, 42285), (1185, 33828), (1422, 28190), (1580, 25371), (2370, 16914), (2819, 14220), (2844, 14095), (3555, 11276), (4740, 8457), (5638, 7110)]