68819960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 173804400

約数和(自身を除く): 104984440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 121, 220, 236, 241, 242, 295, 440, 472, 482, 484, 590, 605, 649, 964, 968, 1180, 1205, 1210, 1298, 1928, 2360, 2410, 2420, 2596, 2651, 3245, 4820, 4840, 5192, 5302, 6490, 7139, 9640, 10604, 12980, 13255, 14219, 14278, 21208, 25960, 26510, 28438, 28556, 29161, 35695, 53020, 56876, 57112, 58322, 71095, 71390, 106040, 113752, 116644, 142190, 142780, 145805, 156409, 233288, 284380, 285560, 291610, 312818, 568760, 583220, 625636, 782045, 1166440, 1251272, 1564090, 1720499, 3128180, 3440998, 6256360, 6881996, 8602495, 13763992, 17204990, 34409980, 68819960]

約数ペア:

[(1, 68819960), (2, 34409980), (4, 17204990), (5, 13763992), (8, 8602495), (10, 6881996), (11, 6256360), (20, 3440998), (22, 3128180), (40, 1720499), (44, 1564090), (55, 1251272), (59, 1166440), (88, 782045), (110, 625636), (118, 583220), (121, 568760), (220, 312818), (236, 291610), (241, 285560), (242, 284380), (295, 233288), (440, 156409), (472, 145805), (482, 142780), (484, 142190), (590, 116644), (605, 113752), (649, 106040), (964, 71390), (968, 71095), (1180, 58322), (1205, 57112), (1210, 56876), (1298, 53020), (1928, 35695), (2360, 29161), (2410, 28556), (2420, 28438), (2596, 26510), (2651, 25960), (3245, 21208), (4820, 14278), (4840, 14219), (5192, 13255), (5302, 12980), (6490, 10604), (7139, 9640)]