131019120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{20219}}^1$

素因数の和:20244

約数の個数: 100

約数和(自身を含む): 455071320

約数和(自身を除く): 324052200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 20219, 40438, 60657, 80876, 101095, 121314, 161752, 181971, 202190, 242628, 303285, 323504, 363942, 404380, 485256, 545913, 606570, 727884, 808760, 909855, 970512, 1091826, 1213140, 1455768, 1617520, 1637739, 1819710, 2183652, 2426280, 2729565, 2911536, 3275478, 3639420, 4367304, 4852560, 5459130, 6550956, 7278840, 8188695, 8734608, 10918260, 13101912, 14557680, 16377390, 21836520, 26203824, 32754780, 43673040, 65509560, 131019120]

約数ペア:

[(1, 131019120), (2, 65509560), (3, 43673040), (4, 32754780), (5, 26203824), (6, 21836520), (8, 16377390), (9, 14557680), (10, 13101912), (12, 10918260), (15, 8734608), (16, 8188695), (18, 7278840), (20, 6550956), (24, 5459130), (27, 4852560), (30, 4367304), (36, 3639420), (40, 3275478), (45, 2911536), (48, 2729565), (54, 2426280), (60, 2183652), (72, 1819710), (80, 1637739), (81, 1617520), (90, 1455768), (108, 1213140), (120, 1091826), (135, 970512), (144, 909855), (162, 808760), (180, 727884), (216, 606570), (240, 545913), (270, 485256), (324, 404380), (360, 363942), (405, 323504), (432, 303285), (540, 242628), (648, 202190), (720, 181971), (810, 161752), (1080, 121314), (1296, 101095), (1620, 80876), (2160, 60657), (3240, 40438), (6480, 20219)]