21269160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 192

約数和(自身を含む): 77837760

約数和(自身を除く): 56568600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 41, 44, 45, 55, 60, 66, 72, 82, 88, 90, 99, 110, 120, 123, 131, 132, 164, 165, 180, 198, 205, 220, 246, 262, 264, 328, 330, 360, 369, 393, 396, 410, 440, 451, 492, 495, 524, 615, 655, 660, 738, 786, 792, 820, 902, 984, 990, 1048, 1179, 1230, 1310, 1320, 1353, 1441, 1476, 1572, 1640, 1804, 1845, 1965, 1980, 2255, 2358, 2460, 2620, 2706, 2882, 2952, 3144, 3608, 3690, 3930, 3960, 4059, 4323, 4510, 4716, 4920, 5240, 5371, 5412, 5764, 5895, 6765, 7205, 7380, 7860, 8118, 8646, 9020, 9432, 10742, 10824, 11528, 11790, 12969, 13530, 14410, 14760, 15720, 16113, 16236, 17292, 18040, 20295, 21484, 21615, 23580, 25938, 26855, 27060, 28820, 32226, 32472, 34584, 40590, 42968, 43230, 47160, 48339, 51876, 53710, 54120, 57640, 59081, 64452, 64845, 80565, 81180, 86460, 96678, 103752, 107420, 118162, 128904, 129690, 161130, 162360, 172920, 177243, 193356, 214840, 236324, 241695, 259380, 295405, 322260, 354486, 386712, 472648, 483390, 518760, 531729, 590810, 644520, 708972, 886215, 966780, 1063458, 1181620, 1417944, 1772430, 1933560, 2126916, 2363240, 2658645, 3544860, 4253832, 5317290, 7089720, 10634580, 21269160]

約数ペア:

[(1, 21269160), (2, 10634580), (3, 7089720), (4, 5317290), (5, 4253832), (6, 3544860), (8, 2658645), (9, 2363240), (10, 2126916), (11, 1933560), (12, 1772430), (15, 1417944), (18, 1181620), (20, 1063458), (22, 966780), (24, 886215), (30, 708972), (33, 644520), (36, 590810), (40, 531729), (41, 518760), (44, 483390), (45, 472648), (55, 386712), (60, 354486), (66, 322260), (72, 295405), (82, 259380), (88, 241695), (90, 236324), (99, 214840), (110, 193356), (120, 177243), (123, 172920), (131, 162360), (132, 161130), (164, 129690), (165, 128904), (180, 118162), (198, 107420), (205, 103752), (220, 96678), (246, 86460), (262, 81180), (264, 80565), (328, 64845), (330, 64452), (360, 59081), (369, 57640), (393, 54120), (396, 53710), (410, 51876), (440, 48339), (451, 47160), (492, 43230), (495, 42968), (524, 40590), (615, 34584), (655, 32472), (660, 32226), (738, 28820), (786, 27060), (792, 26855), (820, 25938), (902, 23580), (984, 21615), (990, 21484), (1048, 20295), (1179, 18040), (1230, 17292), (1310, 16236), (1320, 16113), (1353, 15720), (1441, 14760), (1476, 14410), (1572, 13530), (1640, 12969), (1804, 11790), (1845, 11528), (1965, 10824), (1980, 10742), (2255, 9432), (2358, 9020), (2460, 8646), (2620, 8118), (2706, 7860), (2882, 7380), (2952, 7205), (3144, 6765), (3608, 5895), (3690, 5764), (3930, 5412), (3960, 5371), (4059, 5240), (4323, 4920), (4510, 4716)]