30128360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20357}}^1$

素因数の和:20405

約数の個数: 32

約数和(自身を含む): 69624360

約数和(自身を除く): 39496000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 20357, 40714, 81428, 101785, 162856, 203570, 407140, 753209, 814280, 1506418, 3012836, 3766045, 6025672, 7532090, 15064180, 30128360]

約数ペア:

[(1, 30128360), (2, 15064180), (4, 7532090), (5, 6025672), (8, 3766045), (10, 3012836), (20, 1506418), (37, 814280), (40, 753209), (74, 407140), (148, 203570), (185, 162856), (296, 101785), (370, 81428), (740, 40714), (1480, 20357)]