78229890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1319}}^1$

素因数の和:1991

約数の個数: 48

約数和(自身を含む): 203860800

約数和(自身を除く): 125630910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 659, 1318, 1319, 1977, 2638, 3295, 3954, 3957, 5931, 6590, 6595, 7914, 9885, 11862, 11871, 13190, 19770, 19785, 23742, 29655, 39570, 59310, 59355, 118710, 869221, 1738442, 2607663, 4346105, 5215326, 7822989, 8692210, 13038315, 15645978, 26076630, 39114945, 78229890]

約数ペア:

[(1, 78229890), (2, 39114945), (3, 26076630), (5, 15645978), (6, 13038315), (9, 8692210), (10, 7822989), (15, 5215326), (18, 4346105), (30, 2607663), (45, 1738442), (90, 869221), (659, 118710), (1318, 59355), (1319, 59310), (1977, 39570), (2638, 29655), (3295, 23742), (3954, 19785), (3957, 19770), (5931, 13190), (6590, 11871), (6595, 11862), (7914, 9885)]