8581080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1720

約数の個数: 64

約数和(自身を含む): 26357760

約数和(自身を除く): 17776680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1663, 1720, 2580, 3326, 4989, 5160, 6652, 8315, 9978, 13304, 16630, 19956, 24945, 33260, 39912, 49890, 66520, 71509, 99780, 143018, 199560, 214527, 286036, 357545, 429054, 572072, 715090, 858108, 1072635, 1430180, 1716216, 2145270, 2860360, 4290540, 8581080]

約数ペア:

[(1, 8581080), (2, 4290540), (3, 2860360), (4, 2145270), (5, 1716216), (6, 1430180), (8, 1072635), (10, 858108), (12, 715090), (15, 572072), (20, 429054), (24, 357545), (30, 286036), (40, 214527), (43, 199560), (60, 143018), (86, 99780), (120, 71509), (129, 66520), (172, 49890), (215, 39912), (258, 33260), (344, 24945), (430, 19956), (516, 16630), (645, 13304), (860, 9978), (1032, 8315), (1290, 6652), (1663, 5160), (1720, 4989), (2580, 3326)]