80754520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 229340160

約数和(自身を除く): 148585640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 157, 167, 220, 280, 308, 314, 334, 385, 440, 616, 628, 668, 770, 785, 835, 1099, 1169, 1256, 1336, 1540, 1570, 1670, 1727, 1837, 2198, 2338, 3080, 3140, 3340, 3454, 3674, 4396, 4676, 5495, 5845, 6280, 6680, 6908, 7348, 8635, 8792, 9185, 9352, 10990, 11690, 12089, 12859, 13816, 14696, 17270, 18370, 21980, 23380, 24178, 25718, 26219, 34540, 36740, 43960, 46760, 48356, 51436, 52438, 60445, 64295, 69080, 73480, 96712, 102872, 104876, 120890, 128590, 131095, 183533, 209752, 241780, 257180, 262190, 288409, 367066, 483560, 514360, 524380, 576818, 734132, 917665, 1048760, 1153636, 1442045, 1468264, 1835330, 2018863, 2307272, 2884090, 3670660, 4037726, 5768180, 7341320, 8075452, 10094315, 11536360, 16150904, 20188630, 40377260, 80754520]

約数ペア:

[(1, 80754520), (2, 40377260), (4, 20188630), (5, 16150904), (7, 11536360), (8, 10094315), (10, 8075452), (11, 7341320), (14, 5768180), (20, 4037726), (22, 3670660), (28, 2884090), (35, 2307272), (40, 2018863), (44, 1835330), (55, 1468264), (56, 1442045), (70, 1153636), (77, 1048760), (88, 917665), (110, 734132), (140, 576818), (154, 524380), (157, 514360), (167, 483560), (220, 367066), (280, 288409), (308, 262190), (314, 257180), (334, 241780), (385, 209752), (440, 183533), (616, 131095), (628, 128590), (668, 120890), (770, 104876), (785, 102872), (835, 96712), (1099, 73480), (1169, 69080), (1256, 64295), (1336, 60445), (1540, 52438), (1570, 51436), (1670, 48356), (1727, 46760), (1837, 43960), (2198, 36740), (2338, 34540), (3080, 26219), (3140, 25718), (3340, 24178), (3454, 23380), (3674, 21980), (4396, 18370), (4676, 17270), (5495, 14696), (5845, 13816), (6280, 12859), (6680, 12089), (6908, 11690), (7348, 10990), (8635, 9352), (8792, 9185)]