72811760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{130021}}^1$

素因数の和:130041

約数の個数: 40

約数和(自身を含む): 193472736

約数和(自身を除く): 120660976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 130021, 260042, 520084, 650105, 910147, 1040168, 1300210, 1820294, 2080336, 2600420, 3640588, 4550735, 5200840, 7281176, 9101470, 10401680, 14562352, 18202940, 36405880, 72811760]

約数ペア:

[(1, 72811760), (2, 36405880), (4, 18202940), (5, 14562352), (7, 10401680), (8, 9101470), (10, 7281176), (14, 5200840), (16, 4550735), (20, 3640588), (28, 2600420), (35, 2080336), (40, 1820294), (56, 1300210), (70, 1040168), (80, 910147), (112, 650105), (140, 520084), (280, 260042), (560, 130021)]