30480.000000

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 1303020

約数和(自身を除く): 768740

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 361, 370, 380, 703, 722, 740, 760, 1406, 1444, 1480, 1805, 2812, 2888, 3515, 3610, 5624, 7030, 7220, 13357, 14060, 14440, 26714, 28120, 53428, 66785, 106856, 133570, 267140, 534280]

約数ペア:

[(1, 534280), (2, 267140), (4, 133570), (5, 106856), (8, 66785), (10, 53428), (19, 28120), (20, 26714), (37, 14440), (38, 14060), (40, 13357), (74, 7220), (76, 7030), (95, 5624), (148, 3610), (152, 3515), (185, 2888), (190, 2812), (296, 1805), (361, 1480), (370, 1444), (380, 1406), (703, 760), (722, 740)]