15361780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{613}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 37134720

約数和(自身を除く): 21772940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 613, 716, 895, 1226, 1253, 1790, 2452, 2506, 3065, 3580, 4291, 5012, 6130, 6265, 8582, 12260, 12530, 17164, 21455, 25060, 42910, 85820, 109727, 219454, 438908, 548635, 768089, 1097270, 1536178, 2194540, 3072356, 3840445, 7680890, 15361780]

約数ペア:

[(1, 15361780), (2, 7680890), (4, 3840445), (5, 3072356), (7, 2194540), (10, 1536178), (14, 1097270), (20, 768089), (28, 548635), (35, 438908), (70, 219454), (140, 109727), (179, 85820), (358, 42910), (613, 25060), (716, 21455), (895, 17164), (1226, 12530), (1253, 12260), (1790, 8582), (2452, 6265), (2506, 6130), (3065, 5012), (3580, 4291)]