131979720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2111}}^1$

素因数の和:2646

約数の個数: 64

約数和(自身を含む): 396887040

約数和(自身を除く): 264907320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 521, 1042, 1563, 2084, 2111, 2605, 3126, 4168, 4222, 5210, 6252, 6333, 7815, 8444, 10420, 10555, 12504, 12666, 15630, 16888, 20840, 21110, 25332, 31260, 31665, 42220, 50664, 62520, 63330, 84440, 126660, 253320, 1099831, 2199662, 3299493, 4399324, 5499155, 6598986, 8798648, 10998310, 13197972, 16497465, 21996620, 26395944, 32994930, 43993240, 65989860, 131979720]

約数ペア:

[(1, 131979720), (2, 65989860), (3, 43993240), (4, 32994930), (5, 26395944), (6, 21996620), (8, 16497465), (10, 13197972), (12, 10998310), (15, 8798648), (20, 6598986), (24, 5499155), (30, 4399324), (40, 3299493), (60, 2199662), (120, 1099831), (521, 253320), (1042, 126660), (1563, 84440), (2084, 63330), (2111, 62520), (2605, 50664), (3126, 42220), (4168, 31665), (4222, 31260), (5210, 25332), (6252, 21110), (6333, 20840), (7815, 16888), (8444, 15630), (10420, 12666), (10555, 12504)]