87436020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{509}}^1$

素因数の和:937

約数の個数: 96

約数和(自身を含む): 281030400

約数和(自身を除く): 193594380

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, 409, 420, 509, 818, 1018, 1227, 1527, 1636, 2036, 2045, 2454, 2545, 2863, 3054, 3563, 4090, 4908, 5090, 5726, 6108, 6135, 7126, 7635, 8180, 8589, 10180, 10689, 11452, 12270, 14252, 14315, 15270, 17178, 17815, 21378, 24540, 28630, 30540, 34356, 35630, 42756, 42945, 53445, 57260, 71260, 85890, 106890, 171780, 208181, 213780, 416362, 624543, 832724, 1040905, 1249086, 1457267, 2081810, 2498172, 2914534, 3122715, 4163620, 4371801, 5829068, 6245430, 7286335, 8743602, 12490860, 14572670, 17487204, 21859005, 29145340, 43718010, 87436020]

約数ペア:

[(1, 87436020), (2, 43718010), (3, 29145340), (4, 21859005), (5, 17487204), (6, 14572670), (7, 12490860), (10, 8743602), (12, 7286335), (14, 6245430), (15, 5829068), (20, 4371801), (21, 4163620), (28, 3122715), (30, 2914534), (35, 2498172), (42, 2081810), (60, 1457267), (70, 1249086), (84, 1040905), (105, 832724), (140, 624543), (210, 416362), (409, 213780), (420, 208181), (509, 171780), (818, 106890), (1018, 85890), (1227, 71260), (1527, 57260), (1636, 53445), (2036, 42945), (2045, 42756), (2454, 35630), (2545, 34356), (2863, 30540), (3054, 28630), (3563, 24540), (4090, 21378), (4908, 17815), (5090, 17178), (5726, 15270), (6108, 14315), (6135, 14252), (7126, 12270), (7635, 11452), (8180, 10689), (8589, 10180)]