261732240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4721}}^1$

素因数の和:4758

約数の個数: 240

約数和(自身を含む): 1096108416

約数和(自身を除く): 834376176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4620, 4721, 5040, 5544, 6160, 6930, 7920, 9240, 9442, 11088, 13860, 14163, 18480, 18884, 23605, 27720, 28326, 33047, 37768, 42489, 47210, 51931, 55440, 56652, 66094, 70815, 75536, 84978, 94420, 99141, 103862, 113304, 132188, 141630, 155793, 165235, 169956, 188840, 198282, 207724, 212445, 226608, 259655, 264376, 283260, 297423, 311586, 330470, 339912, 363517, 377680, 396564, 415448, 424890, 467379, 495705, 519310, 528752, 566520, 594846, 623172, 660940, 679824, 727034, 778965, 793128, 830896, 849780, 934758, 991410, 1038620, 1090551, 1133040, 1189692, 1246344, 1321880, 1454068, 1487115, 1557930, 1586256, 1699560, 1817585, 1869516, 1982820, 2077240, 2181102, 2336895, 2379384, 2492688, 2643760, 2908136, 2974230, 3115860, 3271653, 3399120, 3635170, 3739032, 3965640, 4154480, 4362204, 4673790, 4758768, 5452755, 5816272, 5948460, 6231720, 6543306, 7270340, 7478064, 7931280, 8724408, 9347580, 10905510, 11896920, 12463440, 13086612, 14540680, 16358265, 17448816, 18695160, 21811020, 23793840, 26173224, 29081360, 32716530, 37390320, 43622040, 52346448, 65433060, 87244080, 130866120, 261732240]

約数ペア:

[(1, 261732240), (2, 130866120), (3, 87244080), (4, 65433060), (5, 52346448), (6, 43622040), (7, 37390320), (8, 32716530), (9, 29081360), (10, 26173224), (11, 23793840), (12, 21811020), (14, 18695160), (15, 17448816), (16, 16358265), (18, 14540680), (20, 13086612), (21, 12463440), (22, 11896920), (24, 10905510), (28, 9347580), (30, 8724408), (33, 7931280), (35, 7478064), (36, 7270340), (40, 6543306), (42, 6231720), (44, 5948460), (45, 5816272), (48, 5452755), (55, 4758768), (56, 4673790), (60, 4362204), (63, 4154480), (66, 3965640), (70, 3739032), (72, 3635170), (77, 3399120), (80, 3271653), (84, 3115860), (88, 2974230), (90, 2908136), (99, 2643760), (105, 2492688), (110, 2379384), (112, 2336895), (120, 2181102), (126, 2077240), (132, 1982820), (140, 1869516), (144, 1817585), (154, 1699560), (165, 1586256), (168, 1557930), (176, 1487115), (180, 1454068), (198, 1321880), (210, 1246344), (220, 1189692), (231, 1133040), (240, 1090551), (252, 1038620), (264, 991410), (280, 934758), (308, 849780), (315, 830896), (330, 793128), (336, 778965), (360, 727034), (385, 679824), (396, 660940), (420, 623172), (440, 594846), (462, 566520), (495, 528752), (504, 519310), (528, 495705), (560, 467379), (616, 424890), (630, 415448), (660, 396564), (693, 377680), (720, 363517), (770, 339912), (792, 330470), (840, 311586), (880, 297423), (924, 283260), (990, 264376), (1008, 259655), (1155, 226608), (1232, 212445), (1260, 207724), (1320, 198282), (1386, 188840), (1540, 169956), (1584, 165235), (1680, 155793), (1848, 141630), (1980, 132188), (2310, 113304), (2520, 103862), (2640, 99141), (2772, 94420), (3080, 84978), (3465, 75536), (3696, 70815), (3960, 66094), (4620, 56652), (4721, 55440), (5040, 51931), (5544, 47210), (6160, 42489), (6930, 37768), (7920, 33047), (9240, 28326), (9442, 27720), (11088, 23605), (13860, 18884), (14163, 18480)]