15485820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36871}}^1$

素因数の和:36890

約数の個数: 48

約数和(自身を含む): 49555968

約数和(自身を除く): 34070148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 36871, 73742, 110613, 147484, 184355, 221226, 258097, 368710, 442452, 516194, 553065, 737420, 774291, 1032388, 1106130, 1290485, 1548582, 2212260, 2580970, 3097164, 3871455, 5161940, 7742910, 15485820]

約数ペア:

[(1, 15485820), (2, 7742910), (3, 5161940), (4, 3871455), (5, 3097164), (6, 2580970), (7, 2212260), (10, 1548582), (12, 1290485), (14, 1106130), (15, 1032388), (20, 774291), (21, 737420), (28, 553065), (30, 516194), (35, 442452), (42, 368710), (60, 258097), (70, 221226), (84, 184355), (105, 147484), (140, 110613), (210, 73742), (420, 36871)]