1215142020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{2250263}}^1$

素因数の和:2250281

約数の個数: 48

約数和(自身を含む): 3780443520

約数和(自身を除く): 2565301500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2250263, 4500526, 6750789, 9001052, 11251315, 13501578, 20252367, 22502630, 27003156, 33753945, 40504734, 45005260, 60757101, 67507890, 81009468, 101261835, 121514202, 135015780, 202523670, 243028404, 303785505, 405047340, 607571010, 1215142020]

約数ペア:

[(1, 1215142020), (2, 607571010), (3, 405047340), (4, 303785505), (5, 243028404), (6, 202523670), (9, 135015780), (10, 121514202), (12, 101261835), (15, 81009468), (18, 67507890), (20, 60757101), (27, 45005260), (30, 40504734), (36, 33753945), (45, 27003156), (54, 22502630), (60, 20252367), (90, 13501578), (108, 11251315), (135, 9001052), (180, 6750789), (270, 4500526), (540, 2250263)]