18722040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1753}}^1$

素因数の和:1856

約数の個数: 64

約数和(自身を含む): 56829600

約数和(自身を除く): 38107560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1753, 1780, 2136, 2670, 3506, 3560, 5259, 5340, 7012, 8765, 10518, 10680, 14024, 17530, 21036, 26295, 35060, 42072, 52590, 70120, 105180, 156017, 210360, 312034, 468051, 624068, 780085, 936102, 1248136, 1560170, 1872204, 2340255, 3120340, 3744408, 4680510, 6240680, 9361020, 18722040]

約数ペア:

[(1, 18722040), (2, 9361020), (3, 6240680), (4, 4680510), (5, 3744408), (6, 3120340), (8, 2340255), (10, 1872204), (12, 1560170), (15, 1248136), (20, 936102), (24, 780085), (30, 624068), (40, 468051), (60, 312034), (89, 210360), (120, 156017), (178, 105180), (267, 70120), (356, 52590), (445, 42072), (534, 35060), (712, 26295), (890, 21036), (1068, 17530), (1335, 14024), (1753, 10680), (1780, 10518), (2136, 8765), (2670, 7012), (3506, 5340), (3560, 5259)]