68608575

素因数分解:

$3^2\times 5^2\times 7^4\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 90

約数和(自身を含む): 144486784

約数和(自身を除く): 75878209

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 127, 147, 175, 225, 245, 315, 343, 381, 441, 525, 635, 735, 889, 1029, 1143, 1225, 1575, 1715, 1905, 2205, 2401, 2667, 3087, 3175, 3675, 4445, 5145, 5715, 6223, 7203, 8001, 8575, 9525, 11025, 12005, 13335, 15435, 18669, 21609, 22225, 25725, 28575, 31115, 36015, 40005, 43561, 56007, 60025, 66675, 77175, 93345, 108045, 130683, 155575, 180075, 200025, 217805, 280035, 304927, 392049, 466725, 540225, 653415, 914781, 1089025, 1400175, 1524635, 1960245, 2744343, 3267075, 4573905, 7623175, 9801225, 13721715, 22869525, 68608575]

約数ペア:

[(1, 68608575), (3, 22869525), (5, 13721715), (7, 9801225), (9, 7623175), (15, 4573905), (21, 3267075), (25, 2744343), (35, 1960245), (45, 1524635), (49, 1400175), (63, 1089025), (75, 914781), (105, 653415), (127, 540225), (147, 466725), (175, 392049), (225, 304927), (245, 280035), (315, 217805), (343, 200025), (381, 180075), (441, 155575), (525, 130683), (635, 108045), (735, 93345), (889, 77175), (1029, 66675), (1143, 60025), (1225, 56007), (1575, 43561), (1715, 40005), (1905, 36015), (2205, 31115), (2401, 28575), (2667, 25725), (3087, 22225), (3175, 21609), (3675, 18669), (4445, 15435), (5145, 13335), (5715, 12005), (6223, 11025), (7203, 9525), (8001, 8575)]