71471820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:847

約数の個数: 96

約数和(自身を含む): 229824000

約数和(自身を除く): 158352180

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, 379, 420, 449, 758, 898, 1137, 1347, 1516, 1796, 1895, 2245, 2274, 2653, 2694, 3143, 3790, 4490, 4548, 5306, 5388, 5685, 6286, 6735, 7580, 7959, 8980, 9429, 10612, 11370, 12572, 13265, 13470, 15715, 15918, 18858, 22740, 26530, 26940, 31430, 31836, 37716, 39795, 47145, 53060, 62860, 79590, 94290, 159180, 170171, 188580, 340342, 510513, 680684, 850855, 1021026, 1191197, 1701710, 2042052, 2382394, 2552565, 3403420, 3573591, 4764788, 5105130, 5955985, 7147182, 10210260, 11911970, 14294364, 17867955, 23823940, 35735910, 71471820]

約数ペア:

[(1, 71471820), (2, 35735910), (3, 23823940), (4, 17867955), (5, 14294364), (6, 11911970), (7, 10210260), (10, 7147182), (12, 5955985), (14, 5105130), (15, 4764788), (20, 3573591), (21, 3403420), (28, 2552565), (30, 2382394), (35, 2042052), (42, 1701710), (60, 1191197), (70, 1021026), (84, 850855), (105, 680684), (140, 510513), (210, 340342), (379, 188580), (420, 170171), (449, 159180), (758, 94290), (898, 79590), (1137, 62860), (1347, 53060), (1516, 47145), (1796, 39795), (1895, 37716), (2245, 31836), (2274, 31430), (2653, 26940), (2694, 26530), (3143, 22740), (3790, 18858), (4490, 15918), (4548, 15715), (5306, 13470), (5388, 13265), (5685, 12572), (6286, 11370), (6735, 10612), (7580, 9429), (7959, 8980)]