126979280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:772

約数の個数: 80

約数和(自身を含む): 313521600

約数和(自身を除く): 186542320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 278, 304, 380, 556, 601, 695, 760, 1112, 1202, 1390, 1520, 2224, 2404, 2641, 2780, 3005, 4808, 5282, 5560, 6010, 9616, 10564, 11120, 11419, 12020, 13205, 21128, 22838, 24040, 26410, 42256, 45676, 48080, 52820, 57095, 83539, 91352, 105640, 114190, 167078, 182704, 211280, 228380, 334156, 417695, 456760, 668312, 835390, 913520, 1336624, 1587241, 1670780, 3174482, 3341560, 6348964, 6683120, 7936205, 12697928, 15872410, 25395856, 31744820, 63489640, 126979280]

約数ペア:

[(1, 126979280), (2, 63489640), (4, 31744820), (5, 25395856), (8, 15872410), (10, 12697928), (16, 7936205), (19, 6683120), (20, 6348964), (38, 3341560), (40, 3174482), (76, 1670780), (80, 1587241), (95, 1336624), (139, 913520), (152, 835390), (190, 668312), (278, 456760), (304, 417695), (380, 334156), (556, 228380), (601, 211280), (695, 182704), (760, 167078), (1112, 114190), (1202, 105640), (1390, 91352), (1520, 83539), (2224, 57095), (2404, 52820), (2641, 48080), (2780, 45676), (3005, 42256), (4808, 26410), (5282, 24040), (5560, 22838), (6010, 21128), (9616, 13205), (10564, 12020), (11120, 11419)]