78161940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9239}}^1$

素因数の和:9301

約数の個数: 72

約数和(自身を含む): 242161920

約数和(自身を除く): 163999980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 9239, 18478, 27717, 36956, 46195, 55434, 83151, 92390, 110868, 138585, 166302, 184780, 277170, 332604, 415755, 434233, 554340, 831510, 868466, 1302699, 1663020, 1736932, 2171165, 2605398, 3908097, 4342330, 5210796, 6513495, 7816194, 8684660, 13026990, 15632388, 19540485, 26053980, 39080970, 78161940]

約数ペア:

[(1, 78161940), (2, 39080970), (3, 26053980), (4, 19540485), (5, 15632388), (6, 13026990), (9, 8684660), (10, 7816194), (12, 6513495), (15, 5210796), (18, 4342330), (20, 3908097), (30, 2605398), (36, 2171165), (45, 1736932), (47, 1663020), (60, 1302699), (90, 868466), (94, 831510), (141, 554340), (180, 434233), (188, 415755), (235, 332604), (282, 277170), (423, 184780), (470, 166302), (564, 138585), (705, 110868), (846, 92390), (940, 83151), (1410, 55434), (1692, 46195), (2115, 36956), (2820, 27717), (4230, 18478), (8460, 9239)]