131335020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{81071}}^1$

素因数の和:81092

約数の個数: 60

約数和(自身を含む): 412007904

約数和(自身を除く): 280672884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 81071, 162142, 243213, 324284, 405355, 486426, 729639, 810710, 972852, 1216065, 1459278, 1621420, 2188917, 2432130, 2918556, 3648195, 4377834, 4864260, 6566751, 7296390, 8755668, 10944585, 13133502, 14592780, 21889170, 26267004, 32833755, 43778340, 65667510, 131335020]

約数ペア:

[(1, 131335020), (2, 65667510), (3, 43778340), (4, 32833755), (5, 26267004), (6, 21889170), (9, 14592780), (10, 13133502), (12, 10944585), (15, 8755668), (18, 7296390), (20, 6566751), (27, 4864260), (30, 4377834), (36, 3648195), (45, 2918556), (54, 2432130), (60, 2188917), (81, 1621420), (90, 1459278), (108, 1216065), (135, 972852), (162, 810710), (180, 729639), (270, 486426), (324, 405355), (405, 324284), (540, 243213), (810, 162142), (1620, 81071)]