31394040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{607}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 94556160

約数和(自身を除く): 63162120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 607, 862, 1214, 1293, 1724, 1821, 2155, 2428, 2586, 3035, 3448, 3642, 4310, 4856, 5172, 6070, 6465, 7284, 8620, 9105, 10344, 12140, 12930, 14568, 17240, 18210, 24280, 25860, 36420, 51720, 72840, 261617, 523234, 784851, 1046468, 1308085, 1569702, 2092936, 2616170, 3139404, 3924255, 5232340, 6278808, 7848510, 10464680, 15697020, 31394040]

約数ペア:

[(1, 31394040), (2, 15697020), (3, 10464680), (4, 7848510), (5, 6278808), (6, 5232340), (8, 3924255), (10, 3139404), (12, 2616170), (15, 2092936), (20, 1569702), (24, 1308085), (30, 1046468), (40, 784851), (60, 523234), (120, 261617), (431, 72840), (607, 51720), (862, 36420), (1214, 25860), (1293, 24280), (1724, 18210), (1821, 17240), (2155, 14568), (2428, 12930), (2586, 12140), (3035, 10344), (3448, 9105), (3642, 8620), (4310, 7284), (4856, 6465), (5172, 6070)]