155117640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3323}}^1$

素因数の和:3726

約数の個数: 64

約数和(自身を含む): 466689600

約数和(自身を除く): 311571960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 1167, 1556, 1945, 2334, 3112, 3323, 3890, 4668, 5835, 6646, 7780, 9336, 9969, 11670, 13292, 15560, 16615, 19938, 23340, 26584, 33230, 39876, 46680, 49845, 66460, 79752, 99690, 132920, 199380, 398760, 1292647, 2585294, 3877941, 5170588, 6463235, 7755882, 10341176, 12926470, 15511764, 19389705, 25852940, 31023528, 38779410, 51705880, 77558820, 155117640]

約数ペア:

[(1, 155117640), (2, 77558820), (3, 51705880), (4, 38779410), (5, 31023528), (6, 25852940), (8, 19389705), (10, 15511764), (12, 12926470), (15, 10341176), (20, 7755882), (24, 6463235), (30, 5170588), (40, 3877941), (60, 2585294), (120, 1292647), (389, 398760), (778, 199380), (1167, 132920), (1556, 99690), (1945, 79752), (2334, 66460), (3112, 49845), (3323, 46680), (3890, 39876), (4668, 33230), (5835, 26584), (6646, 23340), (7780, 19938), (9336, 16615), (9969, 15560), (11670, 13292)]