30305480

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1171}}^1$

素因数の和:1829

約数の個数: 32

約数和(自身を含む): 68351040

約数和(自身を除く): 38045560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1171, 1294, 2342, 2588, 3235, 4684, 5176, 5855, 6470, 9368, 11710, 12940, 23420, 25880, 46840, 757637, 1515274, 3030548, 3788185, 6061096, 7576370, 15152740, 30305480]

約数ペア:

[(1, 30305480), (2, 15152740), (4, 7576370), (5, 6061096), (8, 3788185), (10, 3030548), (20, 1515274), (40, 757637), (647, 46840), (1171, 25880), (1294, 23420), (2342, 12940), (2588, 11710), (3235, 9368), (4684, 6470), (5176, 5855)]