78617340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4007}}^1$

素因数の和:4131

約数の個数: 72

約数和(自身を含む): 240720480

約数和(自身を除く): 162103140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4007, 4905, 6540, 8014, 9810, 12021, 16028, 19620, 20035, 24042, 36063, 40070, 48084, 60105, 72126, 80140, 120210, 144252, 180315, 240420, 360630, 436763, 721260, 873526, 1310289, 1747052, 2183815, 2620578, 3930867, 4367630, 5241156, 6551445, 7861734, 8735260, 13102890, 15723468, 19654335, 26205780, 39308670, 78617340]

約数ペア:

[(1, 78617340), (2, 39308670), (3, 26205780), (4, 19654335), (5, 15723468), (6, 13102890), (9, 8735260), (10, 7861734), (12, 6551445), (15, 5241156), (18, 4367630), (20, 3930867), (30, 2620578), (36, 2183815), (45, 1747052), (60, 1310289), (90, 873526), (109, 721260), (180, 436763), (218, 360630), (327, 240420), (436, 180315), (545, 144252), (654, 120210), (981, 80140), (1090, 72126), (1308, 60105), (1635, 48084), (1962, 40070), (2180, 36063), (3270, 24042), (3924, 20035), (4007, 19620), (4905, 16028), (6540, 12021), (8014, 9810)]