15142460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 17879620

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 181, 188, 235, 356, 362, 445, 470, 724, 890, 905, 940, 1780, 1810, 3620, 4183, 8366, 8507, 16109, 16732, 17014, 20915, 32218, 34028, 41830, 42535, 64436, 80545, 83660, 85070, 161090, 170140, 322180, 757123, 1514246, 3028492, 3785615, 7571230, 15142460]

約数ペア:

[(1, 15142460), (2, 7571230), (4, 3785615), (5, 3028492), (10, 1514246), (20, 757123), (47, 322180), (89, 170140), (94, 161090), (178, 85070), (181, 83660), (188, 80545), (235, 64436), (356, 42535), (362, 41830), (445, 34028), (470, 32218), (724, 20915), (890, 17014), (905, 16732), (940, 16109), (1780, 8507), (1810, 8366), (3620, 4183)]