2456320

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 6254640

約数和(自身を除く): 3798320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 101, 128, 152, 160, 190, 202, 256, 304, 320, 380, 404, 505, 608, 640, 760, 808, 1010, 1216, 1280, 1520, 1616, 1919, 2020, 2432, 3040, 3232, 3838, 4040, 4864, 6080, 6464, 7676, 8080, 9595, 12160, 12928, 15352, 16160, 19190, 24320, 25856, 30704, 32320, 38380, 61408, 64640, 76760, 122816, 129280, 153520, 245632, 307040, 491264, 614080, 1228160, 2456320]

約数ペア:

[(1, 2456320), (2, 1228160), (4, 614080), (5, 491264), (8, 307040), (10, 245632), (16, 153520), (19, 129280), (20, 122816), (32, 76760), (38, 64640), (40, 61408), (64, 38380), (76, 32320), (80, 30704), (95, 25856), (101, 24320), (128, 19190), (152, 16160), (160, 15352), (190, 12928), (202, 12160), (256, 9595), (304, 8080), (320, 7676), (380, 6464), (404, 6080), (505, 4864), (608, 4040), (640, 3838), (760, 3232), (808, 3040), (1010, 2432), (1216, 2020), (1280, 1919), (1520, 1616)]