1277307080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{5323}}^1$

素因数の和:6198

約数の個数: 64

約数和(自身を含む): 3288954240

約数和(自身を除く): 2011647160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 857, 1714, 3428, 4285, 5323, 5999, 6856, 8570, 10646, 11998, 17140, 21292, 23996, 26615, 29995, 34280, 37261, 42584, 47992, 53230, 59990, 74522, 106460, 119980, 149044, 186305, 212920, 239960, 298088, 372610, 745220, 1490440, 4561811, 9123622, 18247244, 22809055, 31932677, 36494488, 45618110, 63865354, 91236220, 127730708, 159663385, 182472440, 255461416, 319326770, 638653540, 1277307080]

約数ペア:

[(1, 1277307080), (2, 638653540), (4, 319326770), (5, 255461416), (7, 182472440), (8, 159663385), (10, 127730708), (14, 91236220), (20, 63865354), (28, 45618110), (35, 36494488), (40, 31932677), (56, 22809055), (70, 18247244), (140, 9123622), (280, 4561811), (857, 1490440), (1714, 745220), (3428, 372610), (4285, 298088), (5323, 239960), (5999, 212920), (6856, 186305), (8570, 149044), (10646, 119980), (11998, 106460), (17140, 74522), (21292, 59990), (23996, 53230), (26615, 47992), (29995, 42584), (34280, 37261)]