261083520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:578

約数の個数: 256

約数和(自身を含む): 958392000

約数和(自身を除く): 697308480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 87, 90, 96, 108, 116, 120, 128, 135, 144, 145, 160, 174, 180, 192, 216, 232, 240, 261, 270, 288, 290, 320, 348, 360, 384, 432, 435, 464, 480, 521, 522, 540, 576, 580, 640, 696, 720, 783, 864, 870, 928, 960, 1042, 1044, 1080, 1152, 1160, 1305, 1392, 1440, 1563, 1566, 1728, 1740, 1856, 1920, 2084, 2088, 2160, 2320, 2605, 2610, 2784, 2880, 3126, 3132, 3456, 3480, 3712, 3915, 4168, 4176, 4320, 4640, 4689, 5210, 5220, 5568, 5760, 6252, 6264, 6960, 7815, 7830, 8336, 8352, 8640, 9280, 9378, 10420, 10440, 11136, 12504, 12528, 13920, 14067, 15109, 15630, 15660, 16672, 16704, 17280, 18560, 18756, 20840, 20880, 23445, 25008, 25056, 27840, 28134, 30218, 31260, 31320, 33344, 33408, 37512, 41680, 41760, 45327, 46890, 50016, 50112, 55680, 56268, 60436, 62520, 62640, 66688, 70335, 75024, 75545, 83360, 83520, 90654, 93780, 100032, 100224, 112536, 120872, 125040, 125280, 135981, 140670, 150048, 151090, 166720, 167040, 181308, 187560, 200064, 225072, 226635, 241744, 250080, 250560, 271962, 281340, 300096, 302180, 333440, 362616, 375120, 407943, 450144, 453270, 483488, 500160, 501120, 543924, 562680, 600192, 604360, 679905, 725232, 750240, 815886, 900288, 906540, 966976, 1000320, 1087848, 1125360, 1208720, 1359810, 1450464, 1500480, 1631772, 1800576, 1813080, 1933952, 2039715, 2175696, 2250720, 2417440, 2719620, 2900928, 3000960, 3263544, 3626160, 4079430, 4351392, 4501440, 4834880, 5439240, 5801856, 6527088, 7252320, 8158860, 8702784, 9002880, 9669760, 10878480, 13054176, 14504640, 16317720, 17405568, 21756960, 26108352, 29009280, 32635440, 43513920, 52216704, 65270880, 87027840, 130541760, 261083520]

約数ペア:

[(1, 261083520), (2, 130541760), (3, 87027840), (4, 65270880), (5, 52216704), (6, 43513920), (8, 32635440), (9, 29009280), (10, 26108352), (12, 21756960), (15, 17405568), (16, 16317720), (18, 14504640), (20, 13054176), (24, 10878480), (27, 9669760), (29, 9002880), (30, 8702784), (32, 8158860), (36, 7252320), (40, 6527088), (45, 5801856), (48, 5439240), (54, 4834880), (58, 4501440), (60, 4351392), (64, 4079430), (72, 3626160), (80, 3263544), (87, 3000960), (90, 2900928), (96, 2719620), (108, 2417440), (116, 2250720), (120, 2175696), (128, 2039715), (135, 1933952), (144, 1813080), (145, 1800576), (160, 1631772), (174, 1500480), (180, 1450464), (192, 1359810), (216, 1208720), (232, 1125360), (240, 1087848), (261, 1000320), (270, 966976), (288, 906540), (290, 900288), (320, 815886), (348, 750240), (360, 725232), (384, 679905), (432, 604360), (435, 600192), (464, 562680), (480, 543924), (521, 501120), (522, 500160), (540, 483488), (576, 453270), (580, 450144), (640, 407943), (696, 375120), (720, 362616), (783, 333440), (864, 302180), (870, 300096), (928, 281340), (960, 271962), (1042, 250560), (1044, 250080), (1080, 241744), (1152, 226635), (1160, 225072), (1305, 200064), (1392, 187560), (1440, 181308), (1563, 167040), (1566, 166720), (1728, 151090), (1740, 150048), (1856, 140670), (1920, 135981), (2084, 125280), (2088, 125040), (2160, 120872), (2320, 112536), (2605, 100224), (2610, 100032), (2784, 93780), (2880, 90654), (3126, 83520), (3132, 83360), (3456, 75545), (3480, 75024), (3712, 70335), (3915, 66688), (4168, 62640), (4176, 62520), (4320, 60436), (4640, 56268), (4689, 55680), (5210, 50112), (5220, 50016), (5568, 46890), (5760, 45327), (6252, 41760), (6264, 41680), (6960, 37512), (7815, 33408), (7830, 33344), (8336, 31320), (8352, 31260), (8640, 30218), (9280, 28134), (9378, 27840), (10420, 25056), (10440, 25008), (11136, 23445), (12504, 20880), (12528, 20840), (13920, 18756), (14067, 18560), (15109, 17280), (15630, 16704), (15660, 16672)]