648207360

素因数分解:

$2^{10}\times 3^5\times 5^1\times {\mathrm{521}}^1$

素因数の和:561

約数の個数: 264

約数和(自身を含む): 2333678256

約数和(自身を除く): 1685470896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 521, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1024, 1042, 1080, 1152, 1215, 1280, 1296, 1440, 1536, 1563, 1620, 1728, 1920, 1944, 2084, 2160, 2304, 2430, 2560, 2592, 2605, 2880, 3072, 3126, 3240, 3456, 3840, 3888, 4168, 4320, 4608, 4689, 4860, 5120, 5184, 5210, 5760, 6252, 6480, 6912, 7680, 7776, 7815, 8336, 8640, 9216, 9378, 9720, 10368, 10420, 11520, 12504, 12960, 13824, 14067, 15360, 15552, 15630, 16672, 17280, 18756, 19440, 20736, 20840, 23040, 23445, 25008, 25920, 27648, 28134, 31104, 31260, 33344, 34560, 37512, 38880, 41472, 41680, 42201, 46080, 46890, 50016, 51840, 56268, 62208, 62520, 66688, 69120, 70335, 75024, 77760, 82944, 83360, 84402, 93780, 100032, 103680, 112536, 124416, 125040, 126603, 133376, 138240, 140670, 150048, 155520, 166720, 168804, 187560, 200064, 207360, 211005, 225072, 248832, 250080, 253206, 266752, 281340, 300096, 311040, 333440, 337608, 375120, 400128, 414720, 422010, 450144, 500160, 506412, 533504, 562680, 600192, 622080, 633015, 666880, 675216, 750240, 800256, 844020, 900288, 1000320, 1012824, 1125360, 1200384, 1244160, 1266030, 1333760, 1350432, 1500480, 1600512, 1688040, 1800576, 2000640, 2025648, 2250720, 2400768, 2532060, 2667520, 2700864, 3000960, 3376080, 3601152, 4001280, 4051296, 4501440, 4801536, 5064120, 5401728, 6001920, 6752160, 7202304, 8002560, 8102592, 9002880, 10128240, 10803456, 12003840, 13504320, 14404608, 16205184, 18005760, 20256480, 21606912, 24007680, 27008640, 32410368, 36011520, 40512960, 43213824, 54017280, 64820736, 72023040, 81025920, 108034560, 129641472, 162051840, 216069120, 324103680, 648207360]

約数ペア:

[(1, 648207360), (2, 324103680), (3, 216069120), (4, 162051840), (5, 129641472), (6, 108034560), (8, 81025920), (9, 72023040), (10, 64820736), (12, 54017280), (15, 43213824), (16, 40512960), (18, 36011520), (20, 32410368), (24, 27008640), (27, 24007680), (30, 21606912), (32, 20256480), (36, 18005760), (40, 16205184), (45, 14404608), (48, 13504320), (54, 12003840), (60, 10803456), (64, 10128240), (72, 9002880), (80, 8102592), (81, 8002560), (90, 7202304), (96, 6752160), (108, 6001920), (120, 5401728), (128, 5064120), (135, 4801536), (144, 4501440), (160, 4051296), (162, 4001280), (180, 3601152), (192, 3376080), (216, 3000960), (240, 2700864), (243, 2667520), (256, 2532060), (270, 2400768), (288, 2250720), (320, 2025648), (324, 2000640), (360, 1800576), (384, 1688040), (405, 1600512), (432, 1500480), (480, 1350432), (486, 1333760), (512, 1266030), (521, 1244160), (540, 1200384), (576, 1125360), (640, 1012824), (648, 1000320), (720, 900288), (768, 844020), (810, 800256), (864, 750240), (960, 675216), (972, 666880), (1024, 633015), (1042, 622080), (1080, 600192), (1152, 562680), (1215, 533504), (1280, 506412), (1296, 500160), (1440, 450144), (1536, 422010), (1563, 414720), (1620, 400128), (1728, 375120), (1920, 337608), (1944, 333440), (2084, 311040), (2160, 300096), (2304, 281340), (2430, 266752), (2560, 253206), (2592, 250080), (2605, 248832), (2880, 225072), (3072, 211005), (3126, 207360), (3240, 200064), (3456, 187560), (3840, 168804), (3888, 166720), (4168, 155520), (4320, 150048), (4608, 140670), (4689, 138240), (4860, 133376), (5120, 126603), (5184, 125040), (5210, 124416), (5760, 112536), (6252, 103680), (6480, 100032), (6912, 93780), (7680, 84402), (7776, 83360), (7815, 82944), (8336, 77760), (8640, 75024), (9216, 70335), (9378, 69120), (9720, 66688), (10368, 62520), (10420, 62208), (11520, 56268), (12504, 51840), (12960, 50016), (13824, 46890), (14067, 46080), (15360, 42201), (15552, 41680), (15630, 41472), (16672, 38880), (17280, 37512), (18756, 34560), (19440, 33344), (20736, 31260), (20840, 31104), (23040, 28134), (23445, 27648), (25008, 25920)]