15784140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{523}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 44368128

約数和(自身を除く): 28583988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 503, 523, 1006, 1046, 1509, 1569, 2012, 2092, 2515, 2615, 3018, 3138, 5030, 5230, 6036, 6276, 7545, 7845, 10060, 10460, 15090, 15690, 30180, 31380, 263069, 526138, 789207, 1052276, 1315345, 1578414, 2630690, 3156828, 3946035, 5261380, 7892070, 15784140]

約数ペア:

[(1, 15784140), (2, 7892070), (3, 5261380), (4, 3946035), (5, 3156828), (6, 2630690), (10, 1578414), (12, 1315345), (15, 1052276), (20, 789207), (30, 526138), (60, 263069), (503, 31380), (523, 30180), (1006, 15690), (1046, 15090), (1509, 10460), (1569, 10060), (2012, 7845), (2092, 7545), (2515, 6276), (2615, 6036), (3018, 5230), (3138, 5030)]