28740090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 71165952

約数和(自身を除く): 42425862

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 103, 131, 142, 206, 213, 262, 309, 355, 393, 426, 515, 618, 655, 710, 786, 1030, 1065, 1310, 1545, 1965, 2130, 3090, 3930, 7313, 9301, 13493, 14626, 18602, 21939, 26986, 27903, 36565, 40479, 43878, 46505, 55806, 67465, 73130, 80958, 93010, 109695, 134930, 139515, 202395, 219390, 279030, 404790, 958003, 1916006, 2874009, 4790015, 5748018, 9580030, 14370045, 28740090]

約数ペア:

[(1, 28740090), (2, 14370045), (3, 9580030), (5, 5748018), (6, 4790015), (10, 2874009), (15, 1916006), (30, 958003), (71, 404790), (103, 279030), (131, 219390), (142, 202395), (206, 139515), (213, 134930), (262, 109695), (309, 93010), (355, 80958), (393, 73130), (426, 67465), (515, 55806), (618, 46505), (655, 43878), (710, 40479), (786, 36565), (1030, 27903), (1065, 26986), (1310, 21939), (1545, 18602), (1965, 14626), (2130, 13493), (3090, 9301), (3930, 7313)]