12154520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 31691520

約数和(自身を除く): 19537000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 523, 581, 664, 830, 1046, 1162, 1660, 2092, 2324, 2615, 2905, 3320, 3661, 4184, 4648, 5230, 5810, 7322, 10460, 11620, 14644, 18305, 20920, 23240, 29288, 36610, 43409, 73220, 86818, 146440, 173636, 217045, 303863, 347272, 434090, 607726, 868180, 1215452, 1519315, 1736360, 2430904, 3038630, 6077260, 12154520]

約数ペア:

[(1, 12154520), (2, 6077260), (4, 3038630), (5, 2430904), (7, 1736360), (8, 1519315), (10, 1215452), (14, 868180), (20, 607726), (28, 434090), (35, 347272), (40, 303863), (56, 217045), (70, 173636), (83, 146440), (140, 86818), (166, 73220), (280, 43409), (332, 36610), (415, 29288), (523, 23240), (581, 20920), (664, 18305), (830, 14644), (1046, 11620), (1162, 10460), (1660, 7322), (2092, 5810), (2324, 5230), (2615, 4648), (2905, 4184), (3320, 3661)]