15978050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 72

約数和(自身を含む): 34633200

約数和(自身を除く): 18655150

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 121, 139, 190, 209, 242, 275, 278, 418, 475, 550, 605, 695, 950, 1045, 1210, 1390, 1529, 2090, 2299, 2641, 3025, 3058, 3475, 4598, 5225, 5282, 6050, 6950, 7645, 10450, 11495, 13205, 15290, 16819, 22990, 26410, 29051, 33638, 38225, 57475, 58102, 66025, 76450, 84095, 114950, 132050, 145255, 168190, 290510, 319561, 420475, 639122, 726275, 840950, 1452550, 1597805, 3195610, 7989025, 15978050]

約数ペア:

[(1, 15978050), (2, 7989025), (5, 3195610), (10, 1597805), (11, 1452550), (19, 840950), (22, 726275), (25, 639122), (38, 420475), (50, 319561), (55, 290510), (95, 168190), (110, 145255), (121, 132050), (139, 114950), (190, 84095), (209, 76450), (242, 66025), (275, 58102), (278, 57475), (418, 38225), (475, 33638), (550, 29051), (605, 26410), (695, 22990), (950, 16819), (1045, 15290), (1210, 13205), (1390, 11495), (1529, 10450), (2090, 7645), (2299, 6950), (2641, 6050), (3025, 5282), (3058, 5225), (3475, 4598)]