815660520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{16619}}^1$

素因数の和:17042

約数の個数: 64

約数和(自身を含む): 2453112000

約数和(自身を除く): 1637451480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 409, 818, 1227, 1636, 2045, 2454, 3272, 4090, 4908, 6135, 8180, 9816, 12270, 16360, 16619, 24540, 33238, 49080, 49857, 66476, 83095, 99714, 132952, 166190, 199428, 249285, 332380, 398856, 498570, 664760, 997140, 1994280, 6797171, 13594342, 20391513, 27188684, 33985855, 40783026, 54377368, 67971710, 81566052, 101957565, 135943420, 163132104, 203915130, 271886840, 407830260, 815660520]

約数ペア:

[(1, 815660520), (2, 407830260), (3, 271886840), (4, 203915130), (5, 163132104), (6, 135943420), (8, 101957565), (10, 81566052), (12, 67971710), (15, 54377368), (20, 40783026), (24, 33985855), (30, 27188684), (40, 20391513), (60, 13594342), (120, 6797171), (409, 1994280), (818, 997140), (1227, 664760), (1636, 498570), (2045, 398856), (2454, 332380), (3272, 249285), (4090, 199428), (4908, 166190), (6135, 132952), (8180, 99714), (9816, 83095), (12270, 66476), (16360, 49857), (16619, 49080), (24540, 33238)]