134432720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 321408000

約数和(自身を除く): 186975280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 89, 158, 178, 239, 316, 356, 395, 445, 478, 632, 712, 790, 890, 956, 1195, 1264, 1424, 1580, 1780, 1912, 2390, 3160, 3560, 3824, 4780, 6320, 7031, 7120, 9560, 14062, 18881, 19120, 21271, 28124, 35155, 37762, 42542, 56248, 70310, 75524, 85084, 94405, 106355, 112496, 140620, 151048, 170168, 188810, 212710, 281240, 302096, 340336, 377620, 425420, 562480, 755240, 850840, 1510480, 1680409, 1701680, 3360818, 6721636, 8402045, 13443272, 16804090, 26886544, 33608180, 67216360, 134432720]

約数ペア:

[(1, 134432720), (2, 67216360), (4, 33608180), (5, 26886544), (8, 16804090), (10, 13443272), (16, 8402045), (20, 6721636), (40, 3360818), (79, 1701680), (80, 1680409), (89, 1510480), (158, 850840), (178, 755240), (239, 562480), (316, 425420), (356, 377620), (395, 340336), (445, 302096), (478, 281240), (632, 212710), (712, 188810), (790, 170168), (890, 151048), (956, 140620), (1195, 112496), (1264, 106355), (1424, 94405), (1580, 85084), (1780, 75524), (1912, 70310), (2390, 56248), (3160, 42542), (3560, 37762), (3824, 35155), (4780, 28124), (6320, 21271), (7031, 19120), (7120, 18881), (9560, 14062)]