15990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:64

約数の個数: 32

約数和(自身を含む): 42336

約数和(自身を除く): 26346

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1230, 1599, 2665, 3198, 5330, 7995, 15990]

約数ペア:

[(1, 15990), (2, 7995), (3, 5330), (5, 3198), (6, 2665), (10, 1599), (13, 1230), (15, 1066), (26, 615), (30, 533), (39, 410), (41, 390), (65, 246), (78, 205), (82, 195), (123, 130)]