31987860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{809}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 89812800

約数和(自身を除く): 57824940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 659, 809, 1318, 1618, 1977, 2427, 2636, 3236, 3295, 3954, 4045, 4854, 6590, 7908, 8090, 9708, 9885, 12135, 13180, 16180, 19770, 24270, 39540, 48540, 533131, 1066262, 1599393, 2132524, 2665655, 3198786, 5331310, 6397572, 7996965, 10662620, 15993930, 31987860]

約数ペア:

[(1, 31987860), (2, 15993930), (3, 10662620), (4, 7996965), (5, 6397572), (6, 5331310), (10, 3198786), (12, 2665655), (15, 2132524), (20, 1599393), (30, 1066262), (60, 533131), (659, 48540), (809, 39540), (1318, 24270), (1618, 19770), (1977, 16180), (2427, 13180), (2636, 12135), (3236, 9885), (3295, 9708), (3954, 8090), (4045, 7908), (4854, 6590)]