261808560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:452

約数の個数: 240

約数和(自身を含む): 961125984

約数和(自身を除く): 699317424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 83, 90, 104, 117, 120, 130, 144, 156, 166, 180, 195, 208, 234, 240, 249, 260, 312, 332, 337, 360, 390, 415, 468, 498, 520, 585, 624, 664, 674, 720, 747, 780, 830, 936, 996, 1011, 1040, 1079, 1170, 1245, 1328, 1348, 1494, 1560, 1660, 1685, 1872, 1992, 2022, 2158, 2340, 2490, 2696, 2988, 3033, 3120, 3237, 3320, 3370, 3735, 3984, 4044, 4316, 4381, 4680, 4980, 5055, 5392, 5395, 5976, 6066, 6474, 6640, 6740, 7470, 8088, 8632, 8762, 9360, 9711, 9960, 10110, 10790, 11952, 12132, 12948, 13143, 13480, 14940, 15165, 16176, 16185, 17264, 17524, 19422, 19920, 20220, 21580, 21905, 24264, 25896, 26286, 26960, 27971, 29880, 30330, 32370, 35048, 38844, 39429, 40440, 43160, 43810, 48528, 48555, 51792, 52572, 55942, 59760, 60660, 64740, 65715, 70096, 77688, 78858, 80880, 83913, 86320, 87620, 97110, 105144, 111884, 121320, 129480, 131430, 139855, 155376, 157716, 167826, 175240, 194220, 197145, 210288, 223768, 242640, 251739, 258960, 262860, 279710, 315432, 335652, 350480, 363623, 388440, 394290, 419565, 447536, 503478, 525720, 559420, 630864, 671304, 727246, 776880, 788580, 839130, 1006956, 1051440, 1090869, 1118840, 1258695, 1342608, 1454492, 1577160, 1678260, 1818115, 2013912, 2181738, 2237680, 2517390, 2908984, 3154320, 3272607, 3356520, 3636230, 4027824, 4363476, 5034780, 5454345, 5817968, 6545214, 6713040, 7272460, 8726952, 10069560, 10908690, 13090428, 14544920, 16363035, 17453904, 20139120, 21817380, 26180856, 29089840, 32726070, 43634760, 52361712, 65452140, 87269520, 130904280, 261808560]

約数ペア:

[(1, 261808560), (2, 130904280), (3, 87269520), (4, 65452140), (5, 52361712), (6, 43634760), (8, 32726070), (9, 29089840), (10, 26180856), (12, 21817380), (13, 20139120), (15, 17453904), (16, 16363035), (18, 14544920), (20, 13090428), (24, 10908690), (26, 10069560), (30, 8726952), (36, 7272460), (39, 6713040), (40, 6545214), (45, 5817968), (48, 5454345), (52, 5034780), (60, 4363476), (65, 4027824), (72, 3636230), (78, 3356520), (80, 3272607), (83, 3154320), (90, 2908984), (104, 2517390), (117, 2237680), (120, 2181738), (130, 2013912), (144, 1818115), (156, 1678260), (166, 1577160), (180, 1454492), (195, 1342608), (208, 1258695), (234, 1118840), (240, 1090869), (249, 1051440), (260, 1006956), (312, 839130), (332, 788580), (337, 776880), (360, 727246), (390, 671304), (415, 630864), (468, 559420), (498, 525720), (520, 503478), (585, 447536), (624, 419565), (664, 394290), (674, 388440), (720, 363623), (747, 350480), (780, 335652), (830, 315432), (936, 279710), (996, 262860), (1011, 258960), (1040, 251739), (1079, 242640), (1170, 223768), (1245, 210288), (1328, 197145), (1348, 194220), (1494, 175240), (1560, 167826), (1660, 157716), (1685, 155376), (1872, 139855), (1992, 131430), (2022, 129480), (2158, 121320), (2340, 111884), (2490, 105144), (2696, 97110), (2988, 87620), (3033, 86320), (3120, 83913), (3237, 80880), (3320, 78858), (3370, 77688), (3735, 70096), (3984, 65715), (4044, 64740), (4316, 60660), (4381, 59760), (4680, 55942), (4980, 52572), (5055, 51792), (5392, 48555), (5395, 48528), (5976, 43810), (6066, 43160), (6474, 40440), (6640, 39429), (6740, 38844), (7470, 35048), (8088, 32370), (8632, 30330), (8762, 29880), (9360, 27971), (9711, 26960), (9960, 26286), (10110, 25896), (10790, 24264), (11952, 21905), (12132, 21580), (12948, 20220), (13143, 19920), (13480, 19422), (14940, 17524), (15165, 17264), (16176, 16185)]