85876980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1471}}^1$

素因数の和:1629

約数の個数: 96

約数和(自身を含む): 276971520

約数和(自身を除く): 191094540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 417, 420, 556, 695, 834, 973, 1390, 1471, 1668, 1946, 2085, 2780, 2919, 2942, 3892, 4170, 4413, 4865, 5838, 5884, 7355, 8340, 8826, 9730, 10297, 11676, 14595, 14710, 17652, 19460, 20594, 22065, 29190, 29420, 30891, 41188, 44130, 51485, 58380, 61782, 88260, 102970, 123564, 154455, 204469, 205940, 308910, 408938, 613407, 617820, 817876, 1022345, 1226814, 1431283, 2044690, 2453628, 2862566, 3067035, 4089380, 4293849, 5725132, 6134070, 7156415, 8587698, 12268140, 14312830, 17175396, 21469245, 28625660, 42938490, 85876980]

約数ペア:

[(1, 85876980), (2, 42938490), (3, 28625660), (4, 21469245), (5, 17175396), (6, 14312830), (7, 12268140), (10, 8587698), (12, 7156415), (14, 6134070), (15, 5725132), (20, 4293849), (21, 4089380), (28, 3067035), (30, 2862566), (35, 2453628), (42, 2044690), (60, 1431283), (70, 1226814), (84, 1022345), (105, 817876), (139, 617820), (140, 613407), (210, 408938), (278, 308910), (417, 205940), (420, 204469), (556, 154455), (695, 123564), (834, 102970), (973, 88260), (1390, 61782), (1471, 58380), (1668, 51485), (1946, 44130), (2085, 41188), (2780, 30891), (2919, 29420), (2942, 29190), (3892, 22065), (4170, 20594), (4413, 19460), (4865, 17652), (5838, 14710), (5884, 14595), (7355, 11676), (8340, 10297), (8826, 9730)]