1878788120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{185651}}^1$

素因数の和:185696

約数の個数: 64

約数和(自身を含む): 4812099840

約数和(自身を除く): 2933311720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 185651, 371302, 742604, 928255, 1485208, 1856510, 2042161, 3713020, 4084322, 4269973, 7426040, 8168644, 8539946, 10210805, 16337288, 17079892, 20421610, 21349865, 34159784, 40843220, 42699730, 46969703, 81686440, 85399460, 93939406, 170798920, 187878812, 234848515, 375757624, 469697030, 939394060, 1878788120]

約数ペア:

[(1, 1878788120), (2, 939394060), (4, 469697030), (5, 375757624), (8, 234848515), (10, 187878812), (11, 170798920), (20, 93939406), (22, 85399460), (23, 81686440), (40, 46969703), (44, 42699730), (46, 40843220), (55, 34159784), (88, 21349865), (92, 20421610), (110, 17079892), (115, 16337288), (184, 10210805), (220, 8539946), (230, 8168644), (253, 7426040), (440, 4269973), (460, 4084322), (506, 3713020), (920, 2042161), (1012, 1856510), (1265, 1485208), (2024, 928255), (2530, 742604), (5060, 371302), (10120, 185651)]