642481920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1367

約数の個数: 216

約数和(自身を含む): 2276370096

約数和(自身を除く): 1633888176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 128, 129, 144, 160, 172, 180, 192, 215, 240, 256, 258, 288, 320, 344, 360, 384, 387, 430, 480, 516, 576, 640, 645, 688, 720, 768, 774, 860, 960, 1032, 1152, 1280, 1290, 1297, 1376, 1440, 1548, 1720, 1920, 1935, 2064, 2304, 2580, 2594, 2752, 2880, 3096, 3440, 3840, 3870, 3891, 4128, 5160, 5188, 5504, 5760, 6192, 6485, 6880, 7740, 7782, 8256, 10320, 10376, 11008, 11520, 11673, 12384, 12970, 13760, 15480, 15564, 16512, 19455, 20640, 20752, 23346, 24768, 25940, 27520, 30960, 31128, 33024, 38910, 41280, 41504, 46692, 49536, 51880, 55040, 55771, 58365, 61920, 62256, 77820, 82560, 83008, 93384, 99072, 103760, 111542, 116730, 123840, 124512, 155640, 165120, 166016, 167313, 186768, 207520, 223084, 233460, 247680, 249024, 278855, 311280, 332032, 334626, 373536, 415040, 446168, 466920, 495360, 498048, 501939, 557710, 622560, 669252, 747072, 830080, 836565, 892336, 933840, 996096, 1003878, 1115420, 1245120, 1338504, 1494144, 1660160, 1673130, 1784672, 1867680, 2007756, 2230840, 2490240, 2509695, 2677008, 2988288, 3346260, 3569344, 3735360, 4015512, 4461680, 4980480, 5019390, 5354016, 6692520, 7138688, 7470720, 8031024, 8923360, 10038780, 10708032, 13385040, 14277376, 14941440, 16062048, 17846720, 20077560, 21416064, 26770080, 32124096, 35693440, 40155120, 42832128, 53540160, 64248192, 71386880, 80310240, 107080320, 128496384, 160620480, 214160640, 321240960, 642481920]

約数ペア:

[(1, 642481920), (2, 321240960), (3, 214160640), (4, 160620480), (5, 128496384), (6, 107080320), (8, 80310240), (9, 71386880), (10, 64248192), (12, 53540160), (15, 42832128), (16, 40155120), (18, 35693440), (20, 32124096), (24, 26770080), (30, 21416064), (32, 20077560), (36, 17846720), (40, 16062048), (43, 14941440), (45, 14277376), (48, 13385040), (60, 10708032), (64, 10038780), (72, 8923360), (80, 8031024), (86, 7470720), (90, 7138688), (96, 6692520), (120, 5354016), (128, 5019390), (129, 4980480), (144, 4461680), (160, 4015512), (172, 3735360), (180, 3569344), (192, 3346260), (215, 2988288), (240, 2677008), (256, 2509695), (258, 2490240), (288, 2230840), (320, 2007756), (344, 1867680), (360, 1784672), (384, 1673130), (387, 1660160), (430, 1494144), (480, 1338504), (516, 1245120), (576, 1115420), (640, 1003878), (645, 996096), (688, 933840), (720, 892336), (768, 836565), (774, 830080), (860, 747072), (960, 669252), (1032, 622560), (1152, 557710), (1280, 501939), (1290, 498048), (1297, 495360), (1376, 466920), (1440, 446168), (1548, 415040), (1720, 373536), (1920, 334626), (1935, 332032), (2064, 311280), (2304, 278855), (2580, 249024), (2594, 247680), (2752, 233460), (2880, 223084), (3096, 207520), (3440, 186768), (3840, 167313), (3870, 166016), (3891, 165120), (4128, 155640), (5160, 124512), (5188, 123840), (5504, 116730), (5760, 111542), (6192, 103760), (6485, 99072), (6880, 93384), (7740, 83008), (7782, 82560), (8256, 77820), (10320, 62256), (10376, 61920), (11008, 58365), (11520, 55771), (11673, 55040), (12384, 51880), (12970, 49536), (13760, 46692), (15480, 41504), (15564, 41280), (16512, 38910), (19455, 33024), (20640, 31128), (20752, 30960), (23346, 27520), (24768, 25940)]