31629080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 86676480

約数和(自身を除く): 55047400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 43, 56, 70, 71, 74, 86, 140, 142, 148, 172, 185, 215, 259, 280, 284, 296, 301, 344, 355, 370, 430, 497, 518, 568, 602, 710, 740, 860, 994, 1036, 1204, 1295, 1420, 1480, 1505, 1591, 1720, 1988, 2072, 2408, 2485, 2590, 2627, 2840, 3010, 3053, 3182, 3976, 4970, 5180, 5254, 6020, 6106, 6364, 7955, 9940, 10360, 10508, 11137, 12040, 12212, 12728, 13135, 15265, 15910, 18389, 19880, 21016, 21371, 22274, 24424, 26270, 30530, 31820, 36778, 42742, 44548, 52540, 55685, 61060, 63640, 73556, 85484, 89096, 91945, 105080, 106855, 111370, 112961, 122120, 147112, 170968, 183890, 213710, 222740, 225922, 367780, 427420, 445480, 451844, 564805, 735560, 790727, 854840, 903688, 1129610, 1581454, 2259220, 3162908, 3953635, 4518440, 6325816, 7907270, 15814540, 31629080]

約数ペア:

[(1, 31629080), (2, 15814540), (4, 7907270), (5, 6325816), (7, 4518440), (8, 3953635), (10, 3162908), (14, 2259220), (20, 1581454), (28, 1129610), (35, 903688), (37, 854840), (40, 790727), (43, 735560), (56, 564805), (70, 451844), (71, 445480), (74, 427420), (86, 367780), (140, 225922), (142, 222740), (148, 213710), (172, 183890), (185, 170968), (215, 147112), (259, 122120), (280, 112961), (284, 111370), (296, 106855), (301, 105080), (344, 91945), (355, 89096), (370, 85484), (430, 73556), (497, 63640), (518, 61060), (568, 55685), (602, 52540), (710, 44548), (740, 42742), (860, 36778), (994, 31820), (1036, 30530), (1204, 26270), (1295, 24424), (1420, 22274), (1480, 21371), (1505, 21016), (1591, 19880), (1720, 18389), (1988, 15910), (2072, 15265), (2408, 13135), (2485, 12728), (2590, 12212), (2627, 12040), (2840, 11137), (3010, 10508), (3053, 10360), (3182, 9940), (3976, 7955), (4970, 6364), (5180, 6106), (5254, 6020)]