28780491780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{81619}}^1$

素因数の和:82290

約数の個数: 96

約数和(自身を含む): 89677526400

約数和(自身を除く): 60897034620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 653, 1306, 1959, 2612, 3265, 3918, 5877, 6530, 7836, 9795, 11754, 13060, 17631, 19590, 23508, 29385, 35262, 39180, 58770, 70524, 81619, 88155, 117540, 163238, 176310, 244857, 326476, 352620, 408095, 489714, 734571, 816190, 979428, 1224285, 1469142, 1632380, 2203713, 2448570, 2938284, 3672855, 4407426, 4897140, 7345710, 8814852, 11018565, 14691420, 22037130, 44074260, 53297207, 106594414, 159891621, 213188828, 266486035, 319783242, 479674863, 532972070, 639566484, 799458105, 959349726, 1065944140, 1439024589, 1598916210, 1918699452, 2398374315, 2878049178, 3197832420, 4796748630, 5756098356, 7195122945, 9593497260, 14390245890, 28780491780]

約数ペア:

[(1, 28780491780), (2, 14390245890), (3, 9593497260), (4, 7195122945), (5, 5756098356), (6, 4796748630), (9, 3197832420), (10, 2878049178), (12, 2398374315), (15, 1918699452), (18, 1598916210), (20, 1439024589), (27, 1065944140), (30, 959349726), (36, 799458105), (45, 639566484), (54, 532972070), (60, 479674863), (90, 319783242), (108, 266486035), (135, 213188828), (180, 159891621), (270, 106594414), (540, 53297207), (653, 44074260), (1306, 22037130), (1959, 14691420), (2612, 11018565), (3265, 8814852), (3918, 7345710), (5877, 4897140), (6530, 4407426), (7836, 3672855), (9795, 2938284), (11754, 2448570), (13060, 2203713), (17631, 1632380), (19590, 1469142), (23508, 1224285), (29385, 979428), (35262, 816190), (39180, 734571), (58770, 489714), (70524, 408095), (81619, 352620), (88155, 326476), (117540, 244857), (163238, 176310)]