81541140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22279}}^1$

素因数の和:22352

約数の個数: 48

約数和(自身を含む): 232068480

約数和(自身を除く): 150527340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 22279, 44558, 66837, 89116, 111395, 133674, 222790, 267348, 334185, 445580, 668370, 1336740, 1359019, 2718038, 4077057, 5436076, 6795095, 8154114, 13590190, 16308228, 20385285, 27180380, 40770570, 81541140]

約数ペア:

[(1, 81541140), (2, 40770570), (3, 27180380), (4, 20385285), (5, 16308228), (6, 13590190), (10, 8154114), (12, 6795095), (15, 5436076), (20, 4077057), (30, 2718038), (60, 1359019), (61, 1336740), (122, 668370), (183, 445580), (244, 334185), (305, 267348), (366, 222790), (610, 133674), (732, 111395), (915, 89116), (1220, 66837), (1830, 44558), (3660, 22279)]