15452720

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{461}}^1$

素因数の和:893

約数の個数: 40

約数和(自身を含む): 36091440

約数和(自身を除く): 20638720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 461, 838, 922, 1676, 1844, 2095, 2305, 3352, 3688, 4190, 4610, 6704, 7376, 8380, 9220, 16760, 18440, 33520, 36880, 193159, 386318, 772636, 965795, 1545272, 1931590, 3090544, 3863180, 7726360, 15452720]

約数ペア:

[(1, 15452720), (2, 7726360), (4, 3863180), (5, 3090544), (8, 1931590), (10, 1545272), (16, 965795), (20, 772636), (40, 386318), (80, 193159), (419, 36880), (461, 33520), (838, 18440), (922, 16760), (1676, 9220), (1844, 8380), (2095, 7376), (2305, 6704), (3352, 4610), (3688, 4190)]