30168040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 78168960

約数和(自身を除く): 48000920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 661, 815, 1141, 1304, 1322, 1630, 2282, 2644, 3260, 3305, 4564, 4627, 5288, 5705, 6520, 6610, 9128, 9254, 11410, 13220, 18508, 22820, 23135, 26440, 37016, 45640, 46270, 92540, 107743, 185080, 215486, 430972, 538715, 754201, 861944, 1077430, 1508402, 2154860, 3016804, 3771005, 4309720, 6033608, 7542010, 15084020, 30168040]

約数ペア:

[(1, 30168040), (2, 15084020), (4, 7542010), (5, 6033608), (7, 4309720), (8, 3771005), (10, 3016804), (14, 2154860), (20, 1508402), (28, 1077430), (35, 861944), (40, 754201), (56, 538715), (70, 430972), (140, 215486), (163, 185080), (280, 107743), (326, 92540), (652, 46270), (661, 45640), (815, 37016), (1141, 26440), (1304, 23135), (1322, 22820), (1630, 18508), (2282, 13220), (2644, 11410), (3260, 9254), (3305, 9128), (4564, 6610), (4627, 6520), (5288, 5705)]