80615760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1307}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 251073216

約数和(自身を除く): 170457456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1307, 1542, 2056, 2570, 2614, 3084, 3855, 3921, 4112, 5140, 5228, 6168, 6535, 7710, 7842, 10280, 10456, 12336, 13070, 15420, 15684, 19605, 20560, 20912, 26140, 30840, 31368, 39210, 52280, 61680, 62736, 78420, 104560, 156840, 313680, 335899, 671798, 1007697, 1343596, 1679495, 2015394, 2687192, 3358990, 4030788, 5038485, 5374384, 6717980, 8061576, 10076970, 13435960, 16123152, 20153940, 26871920, 40307880, 80615760]

約数ペア:

[(1, 80615760), (2, 40307880), (3, 26871920), (4, 20153940), (5, 16123152), (6, 13435960), (8, 10076970), (10, 8061576), (12, 6717980), (15, 5374384), (16, 5038485), (20, 4030788), (24, 3358990), (30, 2687192), (40, 2015394), (48, 1679495), (60, 1343596), (80, 1007697), (120, 671798), (240, 335899), (257, 313680), (514, 156840), (771, 104560), (1028, 78420), (1285, 62736), (1307, 61680), (1542, 52280), (2056, 39210), (2570, 31368), (2614, 30840), (3084, 26140), (3855, 20912), (3921, 20560), (4112, 19605), (5140, 15684), (5228, 15420), (6168, 13070), (6535, 12336), (7710, 10456), (7842, 10280)]