61820360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31541}}^1$

素因数の和:31566

約数の個数: 48

約数和(自身を含む): 161810460

約数和(自身を除く): 99990100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 31541, 63082, 126164, 157705, 220787, 252328, 315410, 441574, 630820, 883148, 1103935, 1261640, 1545509, 1766296, 2207870, 3091018, 4415740, 6182036, 7727545, 8831480, 12364072, 15455090, 30910180, 61820360]

約数ペア:

[(1, 61820360), (2, 30910180), (4, 15455090), (5, 12364072), (7, 8831480), (8, 7727545), (10, 6182036), (14, 4415740), (20, 3091018), (28, 2207870), (35, 1766296), (40, 1545509), (49, 1261640), (56, 1103935), (70, 883148), (98, 630820), (140, 441574), (196, 315410), (245, 252328), (280, 220787), (392, 157705), (490, 126164), (980, 63082), (1960, 31541)]