69991480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{479}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 170553600

約数和(自身を除く): 100562120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 281, 479, 520, 562, 958, 1124, 1405, 1916, 2248, 2395, 2810, 3653, 3832, 4790, 5620, 6227, 7306, 9580, 11240, 12454, 14612, 18265, 19160, 24908, 29224, 31135, 36530, 49816, 62270, 73060, 124540, 134599, 146120, 249080, 269198, 538396, 672995, 1076792, 1345990, 1749787, 2691980, 3499574, 5383960, 6999148, 8748935, 13998296, 17497870, 34995740, 69991480]

約数ペア:

[(1, 69991480), (2, 34995740), (4, 17497870), (5, 13998296), (8, 8748935), (10, 6999148), (13, 5383960), (20, 3499574), (26, 2691980), (40, 1749787), (52, 1345990), (65, 1076792), (104, 672995), (130, 538396), (260, 269198), (281, 249080), (479, 146120), (520, 134599), (562, 124540), (958, 73060), (1124, 62270), (1405, 49816), (1916, 36530), (2248, 31135), (2395, 29224), (2810, 24908), (3653, 19160), (3832, 18265), (4790, 14612), (5620, 12454), (6227, 11240), (7306, 9580)]