69541780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6451}}^1$

素因数の和:6485

約数の個数: 72

約数和(自身を含む): 185353056

約数和(自身を除く): 115811276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 6451, 10780, 12902, 25804, 32255, 45157, 64510, 70961, 90314, 129020, 141922, 180628, 225785, 283844, 316099, 354805, 451570, 496727, 632198, 709610, 903140, 993454, 1264396, 1419220, 1580495, 1986908, 2483635, 3160990, 3477089, 4967270, 6321980, 6954178, 9934540, 13908356, 17385445, 34770890, 69541780]

約数ペア:

[(1, 69541780), (2, 34770890), (4, 17385445), (5, 13908356), (7, 9934540), (10, 6954178), (11, 6321980), (14, 4967270), (20, 3477089), (22, 3160990), (28, 2483635), (35, 1986908), (44, 1580495), (49, 1419220), (55, 1264396), (70, 993454), (77, 903140), (98, 709610), (110, 632198), (140, 496727), (154, 451570), (196, 354805), (220, 316099), (245, 283844), (308, 225785), (385, 180628), (490, 141922), (539, 129020), (770, 90314), (980, 70961), (1078, 64510), (1540, 45157), (2156, 32255), (2695, 25804), (5390, 12902), (6451, 10780)]