19705680

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3041}}^1$

素因数の和:3066

約数の個数: 100

約数和(自身を含む): 68463252

約数和(自身を除く): 48757572

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3041, 3240, 6082, 6480, 9123, 12164, 15205, 18246, 24328, 27369, 30410, 36492, 45615, 48656, 54738, 60820, 72984, 82107, 91230, 109476, 121640, 136845, 145968, 164214, 182460, 218952, 243280, 246321, 273690, 328428, 364920, 410535, 437904, 492642, 547380, 656856, 729840, 821070, 985284, 1094760, 1231605, 1313712, 1642140, 1970568, 2189520, 2463210, 3284280, 3941136, 4926420, 6568560, 9852840, 19705680]

約数ペア:

[(1, 19705680), (2, 9852840), (3, 6568560), (4, 4926420), (5, 3941136), (6, 3284280), (8, 2463210), (9, 2189520), (10, 1970568), (12, 1642140), (15, 1313712), (16, 1231605), (18, 1094760), (20, 985284), (24, 821070), (27, 729840), (30, 656856), (36, 547380), (40, 492642), (45, 437904), (48, 410535), (54, 364920), (60, 328428), (72, 273690), (80, 246321), (81, 243280), (90, 218952), (108, 182460), (120, 164214), (135, 145968), (144, 136845), (162, 121640), (180, 109476), (216, 91230), (240, 82107), (270, 72984), (324, 60820), (360, 54738), (405, 48656), (432, 45615), (540, 36492), (648, 30410), (720, 27369), (810, 24328), (1080, 18246), (1296, 15205), (1620, 12164), (2160, 9123), (3041, 6480), (3240, 6082)]