160840540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4003}}^1$

素因数の和:4067

約数の個数: 72

約数和(自身を含む): 402594192

約数和(自身を除く): 241753652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4003, 4018, 5740, 8006, 8036, 10045, 16012, 20015, 20090, 28021, 40030, 40180, 56042, 80060, 112084, 140105, 164123, 196147, 280210, 328246, 392294, 560420, 656492, 784588, 820615, 980735, 1148861, 1641230, 1961470, 2297722, 3282460, 3922940, 4595444, 5744305, 8042027, 11488610, 16084054, 22977220, 32168108, 40210135, 80420270, 160840540]

約数ペア:

[(1, 160840540), (2, 80420270), (4, 40210135), (5, 32168108), (7, 22977220), (10, 16084054), (14, 11488610), (20, 8042027), (28, 5744305), (35, 4595444), (41, 3922940), (49, 3282460), (70, 2297722), (82, 1961470), (98, 1641230), (140, 1148861), (164, 980735), (196, 820615), (205, 784588), (245, 656492), (287, 560420), (410, 392294), (490, 328246), (574, 280210), (820, 196147), (980, 164123), (1148, 140105), (1435, 112084), (2009, 80060), (2870, 56042), (4003, 40180), (4018, 40030), (5740, 28021), (8006, 20090), (8036, 20015), (10045, 16012)]