268018520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{503}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 757693440

約数和(自身を除く): 489674920

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, 173, 220, 280, 308, 346, 385, 440, 503, 616, 692, 770, 865, 1006, 1211, 1384, 1540, 1730, 1903, 2012, 2422, 2515, 3080, 3460, 3521, 3806, 4024, 4844, 5030, 5533, 6055, 6920, 7042, 7612, 9515, 9688, 10060, 11066, 12110, 13321, 14084, 15224, 17605, 19030, 20120, 22132, 24220, 26642, 27665, 28168, 35210, 38060, 38731, 44264, 48440, 53284, 55330, 66605, 70420, 76120, 77462, 87019, 106568, 110660, 133210, 140840, 154924, 174038, 193655, 221320, 266420, 309848, 348076, 387310, 435095, 532840, 609133, 696152, 774620, 870190, 957209, 1218266, 1549240, 1740380, 1914418, 2436532, 3045665, 3480760, 3828836, 4786045, 4873064, 6091330, 6700463, 7657672, 9572090, 12182660, 13400926, 19144180, 24365320, 26801852, 33502315, 38288360, 53603704, 67004630, 134009260, 268018520]

約数ペア:

[(1, 268018520), (2, 134009260), (4, 67004630), (5, 53603704), (7, 38288360), (8, 33502315), (10, 26801852), (11, 24365320), (14, 19144180), (20, 13400926), (22, 12182660), (28, 9572090), (35, 7657672), (40, 6700463), (44, 6091330), (55, 4873064), (56, 4786045), (70, 3828836), (77, 3480760), (88, 3045665), (110, 2436532), (140, 1914418), (154, 1740380), (173, 1549240), (220, 1218266), (280, 957209), (308, 870190), (346, 774620), (385, 696152), (440, 609133), (503, 532840), (616, 435095), (692, 387310), (770, 348076), (865, 309848), (1006, 266420), (1211, 221320), (1384, 193655), (1540, 174038), (1730, 154924), (1903, 140840), (2012, 133210), (2422, 110660), (2515, 106568), (3080, 87019), (3460, 77462), (3521, 76120), (3806, 70420), (4024, 66605), (4844, 55330), (5030, 53284), (5533, 48440), (6055, 44264), (6920, 38731), (7042, 38060), (7612, 35210), (9515, 28168), (9688, 27665), (10060, 26642), (11066, 24220), (12110, 22132), (13321, 20120), (14084, 19030), (15224, 17605)]