68121760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8689}}^1$

素因数の和:8718

約数の個数: 72

約数和(自身を含む): 187234740

約数和(自身を除く): 119112980

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 8689, 17378, 34756, 43445, 60823, 69512, 86890, 121646, 139024, 173780, 243292, 278048, 304115, 347560, 425761, 486584, 608230, 695120, 851522, 973168, 1216460, 1390240, 1703044, 1946336, 2128805, 2432920, 3406088, 4257610, 4865840, 6812176, 8515220, 9731680, 13624352, 17030440, 34060880, 68121760]

約数ペア:

[(1, 68121760), (2, 34060880), (4, 17030440), (5, 13624352), (7, 9731680), (8, 8515220), (10, 6812176), (14, 4865840), (16, 4257610), (20, 3406088), (28, 2432920), (32, 2128805), (35, 1946336), (40, 1703044), (49, 1390240), (56, 1216460), (70, 973168), (80, 851522), (98, 695120), (112, 608230), (140, 486584), (160, 425761), (196, 347560), (224, 304115), (245, 278048), (280, 243292), (392, 173780), (490, 139024), (560, 121646), (784, 86890), (980, 69512), (1120, 60823), (1568, 43445), (1960, 34756), (3920, 17378), (7840, 8689)]