780275805

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 1341204480

約数和(自身を除く): 560928675

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 139, 159, 265, 307, 345, 417, 695, 795, 921, 1219, 1535, 2085, 3197, 3657, 4605, 6095, 7061, 7367, 9591, 15985, 16271, 18285, 21183, 22101, 35305, 36835, 42673, 47955, 48813, 81355, 105915, 110505, 128019, 169441, 213365, 244065, 374233, 508323, 640095, 847205, 981479, 1122699, 1871165, 2261669, 2541615, 2944437, 4907395, 5613495, 6785007, 11308345, 14722185, 33925035, 52018387, 156055161, 260091935, 780275805]

約数ペア:

[(1, 780275805), (3, 260091935), (5, 156055161), (15, 52018387), (23, 33925035), (53, 14722185), (69, 11308345), (115, 6785007), (139, 5613495), (159, 4907395), (265, 2944437), (307, 2541615), (345, 2261669), (417, 1871165), (695, 1122699), (795, 981479), (921, 847205), (1219, 640095), (1535, 508323), (2085, 374233), (3197, 244065), (3657, 213365), (4605, 169441), (6095, 128019), (7061, 110505), (7367, 105915), (9591, 81355), (15985, 48813), (16271, 47955), (18285, 42673), (21183, 36835), (22101, 35305)]