68919690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1277}}^1$

素因数の和:1551

約数の個数: 64

約数和(自身を含む): 189921024

約数和(自身を除く): 121001334

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 257, 514, 771, 1277, 1285, 1542, 1799, 2554, 2570, 3598, 3831, 3855, 5397, 6385, 7662, 7710, 8939, 8995, 10794, 12770, 17878, 17990, 19155, 26817, 26985, 38310, 44695, 53634, 53970, 89390, 134085, 268170, 328189, 656378, 984567, 1640945, 1969134, 2297323, 3281890, 4594646, 4922835, 6891969, 9845670, 11486615, 13783938, 22973230, 34459845, 68919690]

約数ペア:

[(1, 68919690), (2, 34459845), (3, 22973230), (5, 13783938), (6, 11486615), (7, 9845670), (10, 6891969), (14, 4922835), (15, 4594646), (21, 3281890), (30, 2297323), (35, 1969134), (42, 1640945), (70, 984567), (105, 656378), (210, 328189), (257, 268170), (514, 134085), (771, 89390), (1277, 53970), (1285, 53634), (1542, 44695), (1799, 38310), (2554, 26985), (2570, 26817), (3598, 19155), (3831, 17990), (3855, 17878), (5397, 12770), (6385, 10794), (7662, 8995), (7710, 8939)]