7657520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 19790400

約数和(自身を除く): 12132880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 199, 208, 260, 296, 370, 398, 481, 520, 592, 740, 796, 962, 995, 1040, 1480, 1592, 1924, 1990, 2405, 2587, 2960, 3184, 3848, 3980, 4810, 5174, 7363, 7696, 7960, 9620, 10348, 12935, 14726, 15920, 19240, 20696, 25870, 29452, 36815, 38480, 41392, 51740, 58904, 73630, 95719, 103480, 117808, 147260, 191438, 206960, 294520, 382876, 478595, 589040, 765752, 957190, 1531504, 1914380, 3828760, 7657520]

約数ペア:

[(1, 7657520), (2, 3828760), (4, 1914380), (5, 1531504), (8, 957190), (10, 765752), (13, 589040), (16, 478595), (20, 382876), (26, 294520), (37, 206960), (40, 191438), (52, 147260), (65, 117808), (74, 103480), (80, 95719), (104, 73630), (130, 58904), (148, 51740), (185, 41392), (199, 38480), (208, 36815), (260, 29452), (296, 25870), (370, 20696), (398, 19240), (481, 15920), (520, 14726), (592, 12935), (740, 10348), (796, 9620), (962, 7960), (995, 7696), (1040, 7363), (1480, 5174), (1592, 4810), (1924, 3980), (1990, 3848), (2405, 3184), (2587, 2960)]