68916760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 176677200

約数和(自身を除く): 107760440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 121, 145, 220, 232, 242, 290, 319, 440, 484, 491, 580, 605, 638, 968, 982, 1160, 1210, 1276, 1595, 1964, 2420, 2455, 2552, 3190, 3509, 3928, 4840, 4910, 5401, 6380, 7018, 9820, 10802, 12760, 14036, 14239, 17545, 19640, 21604, 27005, 28072, 28478, 35090, 43208, 54010, 56956, 59411, 70180, 71195, 108020, 113912, 118822, 140360, 142390, 156629, 216040, 237644, 284780, 297055, 313258, 475288, 569560, 594110, 626516, 783145, 1188220, 1253032, 1566290, 1722919, 2376440, 3132580, 3445838, 6265160, 6891676, 8614595, 13783352, 17229190, 34458380, 68916760]

約数ペア:

[(1, 68916760), (2, 34458380), (4, 17229190), (5, 13783352), (8, 8614595), (10, 6891676), (11, 6265160), (20, 3445838), (22, 3132580), (29, 2376440), (40, 1722919), (44, 1566290), (55, 1253032), (58, 1188220), (88, 783145), (110, 626516), (116, 594110), (121, 569560), (145, 475288), (220, 313258), (232, 297055), (242, 284780), (290, 237644), (319, 216040), (440, 156629), (484, 142390), (491, 140360), (580, 118822), (605, 113912), (638, 108020), (968, 71195), (982, 70180), (1160, 59411), (1210, 56956), (1276, 54010), (1595, 43208), (1964, 35090), (2420, 28478), (2455, 28072), (2552, 27005), (3190, 21604), (3509, 19640), (3928, 17545), (4840, 14239), (4910, 14036), (5401, 12760), (6380, 10802), (7018, 9820)]