68621560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 181560960

約数和(自身を除く): 112939400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 157, 196, 223, 245, 280, 314, 392, 446, 490, 628, 785, 892, 980, 1099, 1115, 1256, 1561, 1570, 1784, 1960, 2198, 2230, 3122, 3140, 4396, 4460, 5495, 6244, 6280, 7693, 7805, 8792, 8920, 10927, 10990, 12488, 15386, 15610, 21854, 21980, 30772, 31220, 35011, 38465, 43708, 43960, 54635, 61544, 62440, 70022, 76930, 87416, 109270, 140044, 153860, 175055, 218540, 245077, 280088, 307720, 350110, 437080, 490154, 700220, 980308, 1225385, 1400440, 1715539, 1960616, 2450770, 3431078, 4901540, 6862156, 8577695, 9803080, 13724312, 17155390, 34310780, 68621560]

約数ペア:

[(1, 68621560), (2, 34310780), (4, 17155390), (5, 13724312), (7, 9803080), (8, 8577695), (10, 6862156), (14, 4901540), (20, 3431078), (28, 2450770), (35, 1960616), (40, 1715539), (49, 1400440), (56, 1225385), (70, 980308), (98, 700220), (140, 490154), (157, 437080), (196, 350110), (223, 307720), (245, 280088), (280, 245077), (314, 218540), (392, 175055), (446, 153860), (490, 140044), (628, 109270), (785, 87416), (892, 76930), (980, 70022), (1099, 62440), (1115, 61544), (1256, 54635), (1561, 43960), (1570, 43708), (1784, 38465), (1960, 35011), (2198, 31220), (2230, 30772), (3122, 21980), (3140, 21854), (4396, 15610), (4460, 15386), (5495, 12488), (6244, 10990), (6280, 10927), (7693, 8920), (7805, 8792)]