87378760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 231363000

約数和(自身を除く): 143984240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 109, 140, 196, 218, 245, 280, 392, 409, 436, 490, 545, 763, 818, 872, 980, 1090, 1526, 1636, 1960, 2045, 2180, 2863, 3052, 3272, 3815, 4090, 4360, 5341, 5726, 6104, 7630, 8180, 10682, 11452, 14315, 15260, 16360, 20041, 21364, 22904, 26705, 28630, 30520, 40082, 42728, 44581, 53410, 57260, 80164, 89162, 100205, 106820, 114520, 160328, 178324, 200410, 213640, 222905, 312067, 356648, 400820, 445810, 624134, 801640, 891620, 1248268, 1560335, 1783240, 2184469, 2496536, 3120670, 4368938, 6241340, 8737876, 10922345, 12482680, 17475752, 21844690, 43689380, 87378760]

約数ペア:

[(1, 87378760), (2, 43689380), (4, 21844690), (5, 17475752), (7, 12482680), (8, 10922345), (10, 8737876), (14, 6241340), (20, 4368938), (28, 3120670), (35, 2496536), (40, 2184469), (49, 1783240), (56, 1560335), (70, 1248268), (98, 891620), (109, 801640), (140, 624134), (196, 445810), (218, 400820), (245, 356648), (280, 312067), (392, 222905), (409, 213640), (436, 200410), (490, 178324), (545, 160328), (763, 114520), (818, 106820), (872, 100205), (980, 89162), (1090, 80164), (1526, 57260), (1636, 53410), (1960, 44581), (2045, 42728), (2180, 40082), (2863, 30520), (3052, 28630), (3272, 26705), (3815, 22904), (4090, 21364), (4360, 20041), (5341, 16360), (5726, 15260), (6104, 14315), (7630, 11452), (8180, 10682)]