256224720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2909}}^1$

素因数の和:3292

約数の個数: 80

約数和(自身を含む): 796734720

約数和(自身を除く): 540510000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 367, 734, 1101, 1468, 1835, 2202, 2909, 2936, 3670, 4404, 5505, 5818, 5872, 7340, 8727, 8808, 11010, 11636, 14545, 14680, 17454, 17616, 22020, 23272, 29090, 29360, 34908, 43635, 44040, 46544, 58180, 69816, 87270, 88080, 116360, 139632, 174540, 232720, 349080, 698160, 1067603, 2135206, 3202809, 4270412, 5338015, 6405618, 8540824, 10676030, 12811236, 16014045, 17081648, 21352060, 25622472, 32028090, 42704120, 51244944, 64056180, 85408240, 128112360, 256224720]

約数ペア:

[(1, 256224720), (2, 128112360), (3, 85408240), (4, 64056180), (5, 51244944), (6, 42704120), (8, 32028090), (10, 25622472), (12, 21352060), (15, 17081648), (16, 16014045), (20, 12811236), (24, 10676030), (30, 8540824), (40, 6405618), (48, 5338015), (60, 4270412), (80, 3202809), (120, 2135206), (240, 1067603), (367, 698160), (734, 349080), (1101, 232720), (1468, 174540), (1835, 139632), (2202, 116360), (2909, 88080), (2936, 87270), (3670, 69816), (4404, 58180), (5505, 46544), (5818, 44040), (5872, 43635), (7340, 34908), (8727, 29360), (8808, 29090), (11010, 23272), (11636, 22020), (14545, 17616), (14680, 17454)]