162656720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{947}}^1$

素因数の和:1092

約数の個数: 80

約数和(自身を含む): 402027840

約数和(自身を除く): 239371120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 113, 152, 190, 226, 304, 380, 452, 565, 760, 904, 947, 1130, 1520, 1808, 1894, 2147, 2260, 3788, 4294, 4520, 4735, 7576, 8588, 9040, 9470, 10735, 15152, 17176, 17993, 18940, 21470, 34352, 35986, 37880, 42940, 71972, 75760, 85880, 89965, 107011, 143944, 171760, 179930, 214022, 287888, 359860, 428044, 535055, 719720, 856088, 1070110, 1439440, 1712176, 2033209, 2140220, 4066418, 4280440, 8132836, 8560880, 10166045, 16265672, 20332090, 32531344, 40664180, 81328360, 162656720]

約数ペア:

[(1, 162656720), (2, 81328360), (4, 40664180), (5, 32531344), (8, 20332090), (10, 16265672), (16, 10166045), (19, 8560880), (20, 8132836), (38, 4280440), (40, 4066418), (76, 2140220), (80, 2033209), (95, 1712176), (113, 1439440), (152, 1070110), (190, 856088), (226, 719720), (304, 535055), (380, 428044), (452, 359860), (565, 287888), (760, 214022), (904, 179930), (947, 171760), (1130, 143944), (1520, 107011), (1808, 89965), (1894, 85880), (2147, 75760), (2260, 71972), (3788, 42940), (4294, 37880), (4520, 35986), (4735, 34352), (7576, 21470), (8588, 18940), (9040, 17993), (9470, 17176), (10735, 15152)]