72878280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{607319}}^1$

素因数の和:607333

約数の個数: 32

約数和(自身を含む): 218635200

約数和(自身を除く): 145756920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 607319, 1214638, 1821957, 2429276, 3036595, 3643914, 4858552, 6073190, 7287828, 9109785, 12146380, 14575656, 18219570, 24292760, 36439140, 72878280]

約数ペア:

[(1, 72878280), (2, 36439140), (3, 24292760), (4, 18219570), (5, 14575656), (6, 12146380), (8, 9109785), (10, 7287828), (12, 6073190), (15, 4858552), (20, 3643914), (24, 3036595), (30, 2429276), (40, 1821957), (60, 1214638), (120, 607319)]