321984320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{143743}}^1$

素因数の和:143767

約数の個数: 56

約数和(自身を含む): 876263424

約数和(自身を除く): 554279104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 143743, 287486, 574972, 718715, 1006201, 1149944, 1437430, 2012402, 2299888, 2874860, 4024804, 4599776, 5031005, 5749720, 8049608, 9199552, 10062010, 11499440, 16099216, 20124020, 22998880, 32198432, 40248040, 45997760, 64396864, 80496080, 160992160, 321984320]

約数ペア:

[(1, 321984320), (2, 160992160), (4, 80496080), (5, 64396864), (7, 45997760), (8, 40248040), (10, 32198432), (14, 22998880), (16, 20124020), (20, 16099216), (28, 11499440), (32, 10062010), (35, 9199552), (40, 8049608), (56, 5749720), (64, 5031005), (70, 4599776), (80, 4024804), (112, 2874860), (140, 2299888), (160, 2012402), (224, 1437430), (280, 1149944), (320, 1006201), (448, 718715), (560, 574972), (1120, 287486), (2240, 143743)]