918793440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{638051}}^1$

素因数の和:638072

約数の個数: 72

約数和(自身を含む): 3135387528

約数和(自身を除く): 2216594088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 638051, 1276102, 1914153, 2552204, 3190255, 3828306, 5104408, 5742459, 6380510, 7656612, 9570765, 10208816, 11484918, 12761020, 15313224, 19141530, 20417632, 22969836, 25522040, 28712295, 30626448, 38283060, 45939672, 51044080, 57424590, 61252896, 76566120, 91879344, 102088160, 114849180, 153132240, 183758688, 229698360, 306264480, 459396720, 918793440]

約数ペア:

[(1, 918793440), (2, 459396720), (3, 306264480), (4, 229698360), (5, 183758688), (6, 153132240), (8, 114849180), (9, 102088160), (10, 91879344), (12, 76566120), (15, 61252896), (16, 57424590), (18, 51044080), (20, 45939672), (24, 38283060), (30, 30626448), (32, 28712295), (36, 25522040), (40, 22969836), (45, 20417632), (48, 19141530), (60, 15313224), (72, 12761020), (80, 11484918), (90, 10208816), (96, 9570765), (120, 7656612), (144, 6380510), (160, 5742459), (180, 5104408), (240, 3828306), (288, 3190255), (360, 2552204), (480, 1914153), (720, 1276102), (1440, 638051)]