123821320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2713}}^1$

素因数の和:2894

約数の個数: 64

約数和(自身を含む): 320469120

約数和(自身を除く): 196647800

約数列:

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

約数ペア:

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