90780570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1559}}^1$

素因数の和:2219

約数の個数: 48

約数和(自身を含む): 236545920

約数和(自身を除く): 145765350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 647, 1294, 1559, 1941, 3118, 3235, 3882, 4677, 5823, 6470, 7795, 9354, 9705, 11646, 14031, 15590, 19410, 23385, 28062, 29115, 46770, 58230, 70155, 140310, 1008673, 2017346, 3026019, 5043365, 6052038, 9078057, 10086730, 15130095, 18156114, 30260190, 45390285, 90780570]

約数ペア:

[(1, 90780570), (2, 45390285), (3, 30260190), (5, 18156114), (6, 15130095), (9, 10086730), (10, 9078057), (15, 6052038), (18, 5043365), (30, 3026019), (45, 2017346), (90, 1008673), (647, 140310), (1294, 70155), (1559, 58230), (1941, 46770), (3118, 29115), (3235, 28062), (3882, 23385), (4677, 19410), (5823, 15590), (6470, 14031), (7795, 11646), (9354, 9705)]