28587180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{911}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 80285184

約数和(自身を除く): 51698004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 523, 911, 1046, 1569, 1822, 2092, 2615, 2733, 3138, 3644, 4555, 5230, 5466, 6276, 7845, 9110, 10460, 10932, 13665, 15690, 18220, 27330, 31380, 54660, 476453, 952906, 1429359, 1905812, 2382265, 2858718, 4764530, 5717436, 7146795, 9529060, 14293590, 28587180]

約数ペア:

[(1, 28587180), (2, 14293590), (3, 9529060), (4, 7146795), (5, 5717436), (6, 4764530), (10, 2858718), (12, 2382265), (15, 1905812), (20, 1429359), (30, 952906), (60, 476453), (523, 54660), (911, 31380), (1046, 27330), (1569, 18220), (1822, 15690), (2092, 13665), (2615, 10932), (2733, 10460), (3138, 9110), (3644, 7845), (4555, 6276), (5230, 5466)]