27691020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{21977}}^1$

素因数の和:21999

約数の個数: 72

約数和(自身を含む): 95999904

約数和(自身を除く): 68308884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 21977, 43954, 65931, 87908, 109885, 131862, 153839, 197793, 219770, 263724, 307678, 329655, 395586, 439540, 461517, 615356, 659310, 769195, 791172, 923034, 988965, 1318620, 1384551, 1538390, 1846068, 1977930, 2307585, 2769102, 3076780, 3955860, 4615170, 5538204, 6922755, 9230340, 13845510, 27691020]

約数ペア:

[(1, 27691020), (2, 13845510), (3, 9230340), (4, 6922755), (5, 5538204), (6, 4615170), (7, 3955860), (9, 3076780), (10, 2769102), (12, 2307585), (14, 1977930), (15, 1846068), (18, 1538390), (20, 1384551), (21, 1318620), (28, 988965), (30, 923034), (35, 791172), (36, 769195), (42, 659310), (45, 615356), (60, 461517), (63, 439540), (70, 395586), (84, 329655), (90, 307678), (105, 263724), (126, 219770), (140, 197793), (180, 153839), (210, 131862), (252, 109885), (315, 87908), (420, 65931), (630, 43954), (1260, 21977)]