28182420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22367}}^1$

素因数の和:22389

約数の個数: 72

約数和(自身を含む): 97703424

約数和(自身を除く): 69521004

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, 22367, 44734, 67101, 89468, 111835, 134202, 156569, 201303, 223670, 268404, 313138, 335505, 402606, 447340, 469707, 626276, 671010, 782845, 805212, 939414, 1006515, 1342020, 1409121, 1565690, 1878828, 2013030, 2348535, 2818242, 3131380, 4026060, 4697070, 5636484, 7045605, 9394140, 14091210, 28182420]

約数ペア:

[(1, 28182420), (2, 14091210), (3, 9394140), (4, 7045605), (5, 5636484), (6, 4697070), (7, 4026060), (9, 3131380), (10, 2818242), (12, 2348535), (14, 2013030), (15, 1878828), (18, 1565690), (20, 1409121), (21, 1342020), (28, 1006515), (30, 939414), (35, 805212), (36, 782845), (42, 671010), (45, 626276), (60, 469707), (63, 447340), (70, 402606), (84, 335505), (90, 313138), (105, 268404), (126, 223670), (140, 201303), (180, 156569), (210, 134202), (252, 111835), (315, 89468), (420, 67101), (630, 44734), (1260, 22367)]