18968880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1613}}^1$

素因数の和:1643

約数の個数: 120

約数和(自身を含む): 68446512

約数和(自身を除く): 49477632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1613, 1680, 1960, 2352, 2940, 3226, 3920, 4839, 5880, 6452, 8065, 9678, 11291, 11760, 12904, 16130, 19356, 22582, 24195, 25808, 32260, 33873, 38712, 45164, 48390, 56455, 64520, 67746, 77424, 79037, 90328, 96780, 112910, 129040, 135492, 158074, 169365, 180656, 193560, 225820, 237111, 270984, 316148, 338730, 387120, 395185, 451640, 474222, 541968, 632296, 677460, 790370, 903280, 948444, 1185555, 1264592, 1354920, 1580740, 1896888, 2371110, 2709840, 3161480, 3793776, 4742220, 6322960, 9484440, 18968880]

約数ペア:

[(1, 18968880), (2, 9484440), (3, 6322960), (4, 4742220), (5, 3793776), (6, 3161480), (7, 2709840), (8, 2371110), (10, 1896888), (12, 1580740), (14, 1354920), (15, 1264592), (16, 1185555), (20, 948444), (21, 903280), (24, 790370), (28, 677460), (30, 632296), (35, 541968), (40, 474222), (42, 451640), (48, 395185), (49, 387120), (56, 338730), (60, 316148), (70, 270984), (80, 237111), (84, 225820), (98, 193560), (105, 180656), (112, 169365), (120, 158074), (140, 135492), (147, 129040), (168, 112910), (196, 96780), (210, 90328), (240, 79037), (245, 77424), (280, 67746), (294, 64520), (336, 56455), (392, 48390), (420, 45164), (490, 38712), (560, 33873), (588, 32260), (735, 25808), (784, 24195), (840, 22582), (980, 19356), (1176, 16130), (1470, 12904), (1613, 11760), (1680, 11291), (1960, 9678), (2352, 8065), (2940, 6452), (3226, 5880), (3920, 4839)]