68815980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 218444688

約数和(自身を除く): 149628708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 135, 162, 180, 214, 270, 321, 324, 397, 405, 428, 535, 540, 642, 794, 810, 963, 1070, 1191, 1284, 1588, 1605, 1620, 1926, 1985, 2140, 2382, 2889, 3210, 3573, 3852, 3970, 4764, 4815, 5778, 5955, 6420, 7146, 7940, 8667, 9630, 10719, 11556, 11910, 14292, 14445, 17334, 17865, 19260, 21438, 23820, 28890, 32157, 34668, 35730, 42479, 42876, 43335, 53595, 57780, 64314, 71460, 84958, 86670, 107190, 127437, 128628, 160785, 169916, 173340, 212395, 214380, 254874, 321570, 382311, 424790, 509748, 637185, 643140, 764622, 849580, 1146933, 1274370, 1529244, 1911555, 2293866, 2548740, 3440799, 3823110, 4587732, 5734665, 6881598, 7646220, 11469330, 13763196, 17203995, 22938660, 34407990, 68815980]

約数ペア:

[(1, 68815980), (2, 34407990), (3, 22938660), (4, 17203995), (5, 13763196), (6, 11469330), (9, 7646220), (10, 6881598), (12, 5734665), (15, 4587732), (18, 3823110), (20, 3440799), (27, 2548740), (30, 2293866), (36, 1911555), (45, 1529244), (54, 1274370), (60, 1146933), (81, 849580), (90, 764622), (107, 643140), (108, 637185), (135, 509748), (162, 424790), (180, 382311), (214, 321570), (270, 254874), (321, 214380), (324, 212395), (397, 173340), (405, 169916), (428, 160785), (535, 128628), (540, 127437), (642, 107190), (794, 86670), (810, 84958), (963, 71460), (1070, 64314), (1191, 57780), (1284, 53595), (1588, 43335), (1605, 42876), (1620, 42479), (1926, 35730), (1985, 34668), (2140, 32157), (2382, 28890), (2889, 23820), (3210, 21438), (3573, 19260), (3852, 17865), (3970, 17334), (4764, 14445), (4815, 14292), (5778, 11910), (5955, 11556), (6420, 10719), (7146, 9630), (7940, 8667)]