28071540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22279}}^1$

素因数の和:22301

約数の個数: 72

約数和(自身を含む): 97319040

約数和(自身を除く): 69247500

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, 22279, 44558, 66837, 89116, 111395, 133674, 155953, 200511, 222790, 267348, 311906, 334185, 401022, 445580, 467859, 623812, 668370, 779765, 802044, 935718, 1002555, 1336740, 1403577, 1559530, 1871436, 2005110, 2339295, 2807154, 3119060, 4010220, 4678590, 5614308, 7017885, 9357180, 14035770, 28071540]

約数ペア:

[(1, 28071540), (2, 14035770), (3, 9357180), (4, 7017885), (5, 5614308), (6, 4678590), (7, 4010220), (9, 3119060), (10, 2807154), (12, 2339295), (14, 2005110), (15, 1871436), (18, 1559530), (20, 1403577), (21, 1336740), (28, 1002555), (30, 935718), (35, 802044), (36, 779765), (42, 668370), (45, 623812), (60, 467859), (63, 445580), (70, 401022), (84, 334185), (90, 311906), (105, 267348), (126, 222790), (140, 200511), (180, 155953), (210, 133674), (252, 111395), (315, 89116), (420, 66837), (630, 44558), (1260, 22279)]