280679760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1117}}^1$

素因数の和:1485

約数の個数: 120

約数和(自身を含む): 946163400

約数和(自身を除く): 665483640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 349, 360, 698, 720, 1047, 1117, 1396, 1745, 2094, 2234, 2792, 3141, 3351, 3490, 4188, 4468, 5235, 5584, 5585, 6282, 6702, 6980, 8376, 8936, 10053, 10470, 11170, 12564, 13404, 13960, 15705, 16752, 16755, 17872, 20106, 20940, 22340, 25128, 26808, 27920, 31410, 33510, 40212, 41880, 44680, 50256, 50265, 53616, 62820, 67020, 80424, 83760, 89360, 100530, 125640, 134040, 160848, 201060, 251280, 268080, 389833, 402120, 779666, 804240, 1169499, 1559332, 1949165, 2338998, 3118664, 3508497, 3898330, 4677996, 5847495, 6237328, 7016994, 7796660, 9355992, 11694990, 14033988, 15593320, 17542485, 18711984, 23389980, 28067976, 31186640, 35084970, 46779960, 56135952, 70169940, 93559920, 140339880, 280679760]

約数ペア:

[(1, 280679760), (2, 140339880), (3, 93559920), (4, 70169940), (5, 56135952), (6, 46779960), (8, 35084970), (9, 31186640), (10, 28067976), (12, 23389980), (15, 18711984), (16, 17542485), (18, 15593320), (20, 14033988), (24, 11694990), (30, 9355992), (36, 7796660), (40, 7016994), (45, 6237328), (48, 5847495), (60, 4677996), (72, 3898330), (80, 3508497), (90, 3118664), (120, 2338998), (144, 1949165), (180, 1559332), (240, 1169499), (349, 804240), (360, 779666), (698, 402120), (720, 389833), (1047, 268080), (1117, 251280), (1396, 201060), (1745, 160848), (2094, 134040), (2234, 125640), (2792, 100530), (3141, 89360), (3351, 83760), (3490, 80424), (4188, 67020), (4468, 62820), (5235, 53616), (5584, 50265), (5585, 50256), (6282, 44680), (6702, 41880), (6980, 40212), (8376, 33510), (8936, 31410), (10053, 27920), (10470, 26808), (11170, 25128), (12564, 22340), (13404, 20940), (13960, 20106), (15705, 17872), (16752, 16755)]