28994040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1873}}^1$

素因数の和:1933

約数の個数: 96

約数和(自身を含む): 96473520

約数和(自身を除く): 67479480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1873, 1935, 2580, 3096, 3746, 3870, 5160, 5619, 7492, 7740, 9365, 11238, 14984, 15480, 16857, 18730, 22476, 28095, 33714, 37460, 44952, 56190, 67428, 74920, 80539, 84285, 112380, 134856, 161078, 168570, 224760, 241617, 322156, 337140, 402695, 483234, 644312, 674280, 724851, 805390, 966468, 1208085, 1449702, 1610780, 1932936, 2416170, 2899404, 3221560, 3624255, 4832340, 5798808, 7248510, 9664680, 14497020, 28994040]

約数ペア:

[(1, 28994040), (2, 14497020), (3, 9664680), (4, 7248510), (5, 5798808), (6, 4832340), (8, 3624255), (9, 3221560), (10, 2899404), (12, 2416170), (15, 1932936), (18, 1610780), (20, 1449702), (24, 1208085), (30, 966468), (36, 805390), (40, 724851), (43, 674280), (45, 644312), (60, 483234), (72, 402695), (86, 337140), (90, 322156), (120, 241617), (129, 224760), (172, 168570), (180, 161078), (215, 134856), (258, 112380), (344, 84285), (360, 80539), (387, 74920), (430, 67428), (516, 56190), (645, 44952), (774, 37460), (860, 33714), (1032, 28095), (1290, 22476), (1548, 18730), (1720, 16857), (1873, 15480), (1935, 14984), (2580, 11238), (3096, 9365), (3746, 7740), (3870, 7492), (5160, 5619)]