261285360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 320

約数和(自身を含む): 994222080

約数和(自身を除く): 732936720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 31, 35, 40, 42, 48, 56, 58, 60, 62, 70, 80, 84, 87, 93, 105, 112, 116, 120, 124, 140, 145, 155, 168, 173, 174, 186, 203, 210, 217, 232, 240, 248, 280, 290, 310, 336, 346, 348, 372, 406, 420, 434, 435, 464, 465, 496, 519, 560, 580, 609, 620, 651, 692, 696, 744, 812, 840, 865, 868, 870, 899, 930, 1015, 1038, 1085, 1160, 1211, 1218, 1240, 1302, 1384, 1392, 1488, 1624, 1680, 1730, 1736, 1740, 1798, 1860, 2030, 2076, 2170, 2320, 2422, 2436, 2480, 2595, 2604, 2697, 2768, 3045, 3248, 3255, 3460, 3472, 3480, 3596, 3633, 3720, 4060, 4152, 4340, 4495, 4844, 4872, 5017, 5190, 5208, 5363, 5394, 6055, 6090, 6293, 6510, 6920, 6960, 7192, 7266, 7440, 8120, 8304, 8680, 8990, 9688, 9744, 10034, 10380, 10416, 10726, 10788, 12110, 12180, 12586, 13020, 13485, 13840, 14384, 14532, 15051, 16089, 16240, 17360, 17980, 18165, 18879, 19376, 20068, 20760, 21452, 21576, 24220, 24360, 25085, 25172, 26040, 26815, 26970, 29064, 30102, 31465, 32178, 35119, 35960, 36330, 37541, 37758, 40136, 41520, 42904, 43152, 48440, 48720, 50170, 50344, 52080, 53630, 53940, 58128, 60204, 62930, 64356, 70238, 71920, 72660, 75082, 75255, 75516, 80272, 80445, 85808, 94395, 96880, 100340, 100688, 105357, 107260, 107880, 112623, 120408, 125860, 128712, 140476, 145320, 150164, 150510, 151032, 155527, 160890, 175595, 187705, 188790, 200680, 210714, 214520, 215760, 225246, 240816, 251720, 257424, 280952, 290640, 300328, 301020, 302064, 311054, 321780, 351190, 375410, 377580, 401360, 421428, 429040, 450492, 466581, 503440, 526785, 561904, 563115, 600656, 602040, 622108, 643560, 702380, 750820, 755160, 777635, 842856, 900984, 933162, 1053570, 1088689, 1126230, 1204080, 1244216, 1287120, 1404760, 1501640, 1510320, 1555270, 1685712, 1801968, 1866324, 2107140, 2177378, 2252460, 2332905, 2488432, 2809520, 3003280, 3110540, 3266067, 3732648, 4214280, 4354756, 4504920, 4665810, 5443445, 6221080, 6532134, 7465296, 8428560, 8709512, 9009840, 9331620, 10886890, 12442160, 13064268, 16330335, 17419024, 18663240, 21773780, 26128536, 32660670, 37326480, 43547560, 52257072, 65321340, 87095120, 130642680, 261285360]

約数ペア:

[(1, 261285360), (2, 130642680), (3, 87095120), (4, 65321340), (5, 52257072), (6, 43547560), (7, 37326480), (8, 32660670), (10, 26128536), (12, 21773780), (14, 18663240), (15, 17419024), (16, 16330335), (20, 13064268), (21, 12442160), (24, 10886890), (28, 9331620), (29, 9009840), (30, 8709512), (31, 8428560), (35, 7465296), (40, 6532134), (42, 6221080), (48, 5443445), (56, 4665810), (58, 4504920), (60, 4354756), (62, 4214280), (70, 3732648), (80, 3266067), (84, 3110540), (87, 3003280), (93, 2809520), (105, 2488432), (112, 2332905), (116, 2252460), (120, 2177378), (124, 2107140), (140, 1866324), (145, 1801968), (155, 1685712), (168, 1555270), (173, 1510320), (174, 1501640), (186, 1404760), (203, 1287120), (210, 1244216), (217, 1204080), (232, 1126230), (240, 1088689), (248, 1053570), (280, 933162), (290, 900984), (310, 842856), (336, 777635), (346, 755160), (348, 750820), (372, 702380), (406, 643560), (420, 622108), (434, 602040), (435, 600656), (464, 563115), (465, 561904), (496, 526785), (519, 503440), (560, 466581), (580, 450492), (609, 429040), (620, 421428), (651, 401360), (692, 377580), (696, 375410), (744, 351190), (812, 321780), (840, 311054), (865, 302064), (868, 301020), (870, 300328), (899, 290640), (930, 280952), (1015, 257424), (1038, 251720), (1085, 240816), (1160, 225246), (1211, 215760), (1218, 214520), (1240, 210714), (1302, 200680), (1384, 188790), (1392, 187705), (1488, 175595), (1624, 160890), (1680, 155527), (1730, 151032), (1736, 150510), (1740, 150164), (1798, 145320), (1860, 140476), (2030, 128712), (2076, 125860), (2170, 120408), (2320, 112623), (2422, 107880), (2436, 107260), (2480, 105357), (2595, 100688), (2604, 100340), (2697, 96880), (2768, 94395), (3045, 85808), (3248, 80445), (3255, 80272), (3460, 75516), (3472, 75255), (3480, 75082), (3596, 72660), (3633, 71920), (3720, 70238), (4060, 64356), (4152, 62930), (4340, 60204), (4495, 58128), (4844, 53940), (4872, 53630), (5017, 52080), (5190, 50344), (5208, 50170), (5363, 48720), (5394, 48440), (6055, 43152), (6090, 42904), (6293, 41520), (6510, 40136), (6920, 37758), (6960, 37541), (7192, 36330), (7266, 35960), (7440, 35119), (8120, 32178), (8304, 31465), (8680, 30102), (8990, 29064), (9688, 26970), (9744, 26815), (10034, 26040), (10380, 25172), (10416, 25085), (10726, 24360), (10788, 24220), (12110, 21576), (12180, 21452), (12586, 20760), (13020, 20068), (13485, 19376), (13840, 18879), (14384, 18165), (14532, 17980), (15051, 17360), (16089, 16240)]