78357720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{93283}}^1$

素因数の和:93304

約数の個数: 64

約数和(自身を含む): 268657920

約数和(自身を除く): 190300200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 93283, 186566, 279849, 373132, 466415, 559698, 652981, 746264, 932830, 1119396, 1305962, 1399245, 1865660, 1958943, 2238792, 2611924, 2798490, 3264905, 3731320, 3917886, 5223848, 5596980, 6529810, 7835772, 9794715, 11193960, 13059620, 15671544, 19589430, 26119240, 39178860, 78357720]

約数ペア:

[(1, 78357720), (2, 39178860), (3, 26119240), (4, 19589430), (5, 15671544), (6, 13059620), (7, 11193960), (8, 9794715), (10, 7835772), (12, 6529810), (14, 5596980), (15, 5223848), (20, 3917886), (21, 3731320), (24, 3264905), (28, 2798490), (30, 2611924), (35, 2238792), (40, 1958943), (42, 1865660), (56, 1399245), (60, 1305962), (70, 1119396), (84, 932830), (105, 746264), (120, 652981), (140, 559698), (168, 466415), (210, 373132), (280, 279849), (420, 186566), (840, 93283)]