42678560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 107956800

約数和(自身を除く): 65278240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 101, 139, 152, 160, 190, 202, 278, 304, 380, 404, 505, 556, 608, 695, 760, 808, 1010, 1112, 1390, 1520, 1616, 1919, 2020, 2224, 2641, 2780, 3040, 3232, 3838, 4040, 4448, 5282, 5560, 7676, 8080, 9595, 10564, 11120, 13205, 14039, 15352, 16160, 19190, 21128, 22240, 26410, 28078, 30704, 38380, 42256, 52820, 56156, 61408, 70195, 76760, 84512, 105640, 112312, 140390, 153520, 211280, 224624, 266741, 280780, 307040, 422560, 449248, 533482, 561560, 1066964, 1123120, 1333705, 2133928, 2246240, 2667410, 4267856, 5334820, 8535712, 10669640, 21339280, 42678560]

約数ペア:

[(1, 42678560), (2, 21339280), (4, 10669640), (5, 8535712), (8, 5334820), (10, 4267856), (16, 2667410), (19, 2246240), (20, 2133928), (32, 1333705), (38, 1123120), (40, 1066964), (76, 561560), (80, 533482), (95, 449248), (101, 422560), (139, 307040), (152, 280780), (160, 266741), (190, 224624), (202, 211280), (278, 153520), (304, 140390), (380, 112312), (404, 105640), (505, 84512), (556, 76760), (608, 70195), (695, 61408), (760, 56156), (808, 52820), (1010, 42256), (1112, 38380), (1390, 30704), (1520, 28078), (1616, 26410), (1919, 22240), (2020, 21128), (2224, 19190), (2641, 16160), (2780, 15352), (3040, 14039), (3232, 13205), (3838, 11120), (4040, 10564), (4448, 9595), (5282, 8080), (5560, 7676)]