1286725240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{3361}}^1$

素因数の和:3952

約数の個数: 64

約数和(自身を含む): 3071792160

約数和(自身を除く): 1785066920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 563, 680, 1126, 2252, 2815, 3361, 4504, 5630, 6722, 9571, 11260, 13444, 16805, 19142, 22520, 26888, 33610, 38284, 47855, 57137, 67220, 76568, 95710, 114274, 134440, 191420, 228548, 285685, 382840, 457096, 571370, 1142740, 1892243, 2285480, 3784486, 7568972, 9461215, 15137944, 18922430, 32168131, 37844860, 64336262, 75689720, 128672524, 160840655, 257345048, 321681310, 643362620, 1286725240]

約数ペア:

[(1, 1286725240), (2, 643362620), (4, 321681310), (5, 257345048), (8, 160840655), (10, 128672524), (17, 75689720), (20, 64336262), (34, 37844860), (40, 32168131), (68, 18922430), (85, 15137944), (136, 9461215), (170, 7568972), (340, 3784486), (563, 2285480), (680, 1892243), (1126, 1142740), (2252, 571370), (2815, 457096), (3361, 382840), (4504, 285685), (5630, 228548), (6722, 191420), (9571, 134440), (11260, 114274), (13444, 95710), (16805, 76568), (19142, 67220), (22520, 57137), (26888, 47855), (33610, 38284)]