15361220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{971}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 37231488

約数和(自身を除く): 21870268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 971, 1130, 1582, 1942, 2260, 3164, 3884, 3955, 4855, 6797, 7910, 9710, 13594, 15820, 19420, 27188, 33985, 67970, 109723, 135940, 219446, 438892, 548615, 768061, 1097230, 1536122, 2194460, 3072244, 3840305, 7680610, 15361220]

約数ペア:

[(1, 15361220), (2, 7680610), (4, 3840305), (5, 3072244), (7, 2194460), (10, 1536122), (14, 1097230), (20, 768061), (28, 548615), (35, 438892), (70, 219446), (113, 135940), (140, 109723), (226, 67970), (452, 33985), (565, 27188), (791, 19420), (971, 15820), (1130, 13594), (1582, 9710), (1942, 7910), (2260, 6797), (3164, 4855), (3884, 3955)]