55739460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{18959}}^1$

素因数の和:18985

約数の個数: 72

約数和(自身を含む): 181560960

約数和(自身を除く): 125821500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 18959, 37918, 56877, 75836, 94795, 113754, 132713, 189590, 227508, 265426, 284385, 379180, 398139, 530852, 568770, 663565, 796278, 928991, 1137540, 1327130, 1592556, 1857982, 1990695, 2654260, 2786973, 3715964, 3981390, 4644955, 5573946, 7962780, 9289910, 11147892, 13934865, 18579820, 27869730, 55739460]

約数ペア:

[(1, 55739460), (2, 27869730), (3, 18579820), (4, 13934865), (5, 11147892), (6, 9289910), (7, 7962780), (10, 5573946), (12, 4644955), (14, 3981390), (15, 3715964), (20, 2786973), (21, 2654260), (28, 1990695), (30, 1857982), (35, 1592556), (42, 1327130), (49, 1137540), (60, 928991), (70, 796278), (84, 663565), (98, 568770), (105, 530852), (140, 398139), (147, 379180), (196, 284385), (210, 265426), (245, 227508), (294, 189590), (420, 132713), (490, 113754), (588, 94795), (735, 75836), (980, 56877), (1470, 37918), (2940, 18959)]