31289640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260747}}^1$

素因数の和:260761

約数の個数: 32

約数和(自身を含む): 93869280

約数和(自身を除く): 62579640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260747, 521494, 782241, 1042988, 1303735, 1564482, 2085976, 2607470, 3128964, 3911205, 5214940, 6257928, 7822410, 10429880, 15644820, 31289640]

約数ペア:

[(1, 31289640), (2, 15644820), (3, 10429880), (4, 7822410), (5, 6257928), (6, 5214940), (8, 3911205), (10, 3128964), (12, 2607470), (15, 2085976), (20, 1564482), (24, 1303735), (30, 1042988), (40, 782241), (60, 521494), (120, 260747)]