30245640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 91143360

約数和(自身を除く): 60897720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 614, 821, 921, 1228, 1535, 1642, 1842, 2456, 2463, 3070, 3284, 3684, 4105, 4605, 4926, 6140, 6568, 7368, 8210, 9210, 9852, 12280, 12315, 16420, 18420, 19704, 24630, 32840, 36840, 49260, 98520, 252047, 504094, 756141, 1008188, 1260235, 1512282, 2016376, 2520470, 3024564, 3780705, 5040940, 6049128, 7561410, 10081880, 15122820, 30245640]

約数ペア:

[(1, 30245640), (2, 15122820), (3, 10081880), (4, 7561410), (5, 6049128), (6, 5040940), (8, 3780705), (10, 3024564), (12, 2520470), (15, 2016376), (20, 1512282), (24, 1260235), (30, 1008188), (40, 756141), (60, 504094), (120, 252047), (307, 98520), (614, 49260), (821, 36840), (921, 32840), (1228, 24630), (1535, 19704), (1642, 18420), (1842, 16420), (2456, 12315), (2463, 12280), (3070, 9852), (3284, 9210), (3684, 8210), (4105, 7368), (4605, 6568), (4926, 6140)]