30739920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{367}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 95827200

約数和(自身を除く): 65087280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 349, 367, 698, 734, 1047, 1101, 1396, 1468, 1745, 1835, 2094, 2202, 2792, 2936, 3490, 3670, 4188, 4404, 5235, 5505, 5584, 5872, 6980, 7340, 8376, 8808, 10470, 11010, 13960, 14680, 16752, 17616, 20940, 22020, 27920, 29360, 41880, 44040, 83760, 88080, 128083, 256166, 384249, 512332, 640415, 768498, 1024664, 1280830, 1536996, 1921245, 2049328, 2561660, 3073992, 3842490, 5123320, 6147984, 7684980, 10246640, 15369960, 30739920]

約数ペア:

[(1, 30739920), (2, 15369960), (3, 10246640), (4, 7684980), (5, 6147984), (6, 5123320), (8, 3842490), (10, 3073992), (12, 2561660), (15, 2049328), (16, 1921245), (20, 1536996), (24, 1280830), (30, 1024664), (40, 768498), (48, 640415), (60, 512332), (80, 384249), (120, 256166), (240, 128083), (349, 88080), (367, 83760), (698, 44040), (734, 41880), (1047, 29360), (1101, 27920), (1396, 22020), (1468, 20940), (1745, 17616), (1835, 16752), (2094, 14680), (2202, 13960), (2792, 11010), (2936, 10470), (3490, 8808), (3670, 8376), (4188, 7340), (4404, 6980), (5235, 5872), (5505, 5584)]