1680454820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3119}}^1$

素因数の和:3249

約数の個数: 96

約数和(自身を含む): 4025548800

約数和(自身を除く): 2345093980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 79, 110, 124, 155, 158, 220, 310, 316, 341, 395, 620, 682, 790, 869, 1364, 1580, 1705, 1738, 2449, 3119, 3410, 3476, 4345, 4898, 6238, 6820, 8690, 9796, 12245, 12476, 15595, 17380, 24490, 26939, 31190, 34309, 48980, 53878, 62380, 68618, 96689, 107756, 134695, 137236, 171545, 193378, 246401, 269390, 343090, 386756, 483445, 492802, 538780, 686180, 966890, 985604, 1063579, 1232005, 1933780, 2127158, 2464010, 2710411, 4254316, 4928020, 5317895, 5420822, 7638431, 10635790, 10841644, 13552055, 15276862, 21271580, 27104110, 30553724, 38192155, 54208220, 76384310, 84022741, 152768620, 168045482, 336090964, 420113705, 840227410, 1680454820]

約数ペア:

[(1, 1680454820), (2, 840227410), (4, 420113705), (5, 336090964), (10, 168045482), (11, 152768620), (20, 84022741), (22, 76384310), (31, 54208220), (44, 38192155), (55, 30553724), (62, 27104110), (79, 21271580), (110, 15276862), (124, 13552055), (155, 10841644), (158, 10635790), (220, 7638431), (310, 5420822), (316, 5317895), (341, 4928020), (395, 4254316), (620, 2710411), (682, 2464010), (790, 2127158), (869, 1933780), (1364, 1232005), (1580, 1063579), (1705, 985604), (1738, 966890), (2449, 686180), (3119, 538780), (3410, 492802), (3476, 483445), (4345, 386756), (4898, 343090), (6238, 269390), (6820, 246401), (8690, 193378), (9796, 171545), (12245, 137236), (12476, 134695), (15595, 107756), (17380, 96689), (24490, 68618), (26939, 62380), (31190, 53878), (34309, 48980)]