15238580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 37013760

約数和(自身を除く): 21775180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1223, 1246, 1780, 2446, 2492, 3115, 4892, 6115, 6230, 8561, 12230, 12460, 17122, 24460, 34244, 42805, 85610, 108847, 171220, 217694, 435388, 544235, 761929, 1088470, 1523858, 2176940, 3047716, 3809645, 7619290, 15238580]

約数ペア:

[(1, 15238580), (2, 7619290), (4, 3809645), (5, 3047716), (7, 2176940), (10, 1523858), (14, 1088470), (20, 761929), (28, 544235), (35, 435388), (70, 217694), (89, 171220), (140, 108847), (178, 85610), (356, 42805), (445, 34244), (623, 24460), (890, 17122), (1223, 12460), (1246, 12230), (1780, 8561), (2446, 6230), (2492, 6115), (3115, 4892)]