12128080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 30355200

約数和(自身を除く): 18227120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 101, 152, 158, 190, 202, 304, 316, 380, 395, 404, 505, 632, 760, 790, 808, 1010, 1264, 1501, 1520, 1580, 1616, 1919, 2020, 3002, 3160, 3838, 4040, 6004, 6320, 7505, 7676, 7979, 8080, 9595, 12008, 15010, 15352, 15958, 19190, 24016, 30020, 30704, 31916, 38380, 39895, 60040, 63832, 76760, 79790, 120080, 127664, 151601, 153520, 159580, 303202, 319160, 606404, 638320, 758005, 1212808, 1516010, 2425616, 3032020, 6064040, 12128080]

約数ペア:

[(1, 12128080), (2, 6064040), (4, 3032020), (5, 2425616), (8, 1516010), (10, 1212808), (16, 758005), (19, 638320), (20, 606404), (38, 319160), (40, 303202), (76, 159580), (79, 153520), (80, 151601), (95, 127664), (101, 120080), (152, 79790), (158, 76760), (190, 63832), (202, 60040), (304, 39895), (316, 38380), (380, 31916), (395, 30704), (404, 30020), (505, 24016), (632, 19190), (760, 15958), (790, 15352), (808, 15010), (1010, 12008), (1264, 9595), (1501, 8080), (1520, 7979), (1580, 7676), (1616, 7505), (1919, 6320), (2020, 6004), (3002, 4040), (3160, 3838)]