247642640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2713}}^1$

素因数の和:2896

約数の個数: 80

約数和(自身を含む): 662302848

約数和(自身を除く): 414660208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 815, 1141, 1304, 1630, 2282, 2608, 2713, 3260, 4564, 5426, 5705, 6520, 9128, 10852, 11410, 13040, 13565, 18256, 18991, 21704, 22820, 27130, 37982, 43408, 45640, 54260, 75964, 91280, 94955, 108520, 151928, 189910, 217040, 303856, 379820, 442219, 759640, 884438, 1519280, 1768876, 2211095, 3095533, 3537752, 4422190, 6191066, 7075504, 8844380, 12382132, 15477665, 17688760, 24764264, 30955330, 35377520, 49528528, 61910660, 123821320, 247642640]

約数ペア:

[(1, 247642640), (2, 123821320), (4, 61910660), (5, 49528528), (7, 35377520), (8, 30955330), (10, 24764264), (14, 17688760), (16, 15477665), (20, 12382132), (28, 8844380), (35, 7075504), (40, 6191066), (56, 4422190), (70, 3537752), (80, 3095533), (112, 2211095), (140, 1768876), (163, 1519280), (280, 884438), (326, 759640), (560, 442219), (652, 379820), (815, 303856), (1141, 217040), (1304, 189910), (1630, 151928), (2282, 108520), (2608, 94955), (2713, 91280), (3260, 75964), (4564, 54260), (5426, 45640), (5705, 43408), (6520, 37982), (9128, 27130), (10852, 22820), (11410, 21704), (13040, 18991), (13565, 18256)]