15317820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12157}}^1$

素因数の和:12179

約数の個数: 72

約数和(自身を含む): 53106144

約数和(自身を除く): 37788324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12157, 24314, 36471, 48628, 60785, 72942, 85099, 109413, 121570, 145884, 170198, 182355, 218826, 243140, 255297, 340396, 364710, 425495, 437652, 510594, 547065, 729420, 765891, 850990, 1021188, 1094130, 1276485, 1531782, 1701980, 2188260, 2552970, 3063564, 3829455, 5105940, 7658910, 15317820]

約数ペア:

[(1, 15317820), (2, 7658910), (3, 5105940), (4, 3829455), (5, 3063564), (6, 2552970), (7, 2188260), (9, 1701980), (10, 1531782), (12, 1276485), (14, 1094130), (15, 1021188), (18, 850990), (20, 765891), (21, 729420), (28, 547065), (30, 510594), (35, 437652), (36, 425495), (42, 364710), (45, 340396), (60, 255297), (63, 243140), (70, 218826), (84, 182355), (90, 170198), (105, 145884), (126, 121570), (140, 109413), (180, 85099), (210, 72942), (252, 60785), (315, 48628), (420, 36471), (630, 24314), (1260, 12157)]