1281916800

素因数分解:

$2^7\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:471

約数の個数: 384

約数和(自身を含む): 4830271200

約数和(自身を除く): 3548354400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 37, 40, 45, 48, 50, 54, 60, 64, 72, 74, 75, 80, 90, 96, 100, 108, 111, 120, 128, 135, 144, 148, 150, 160, 180, 185, 192, 200, 216, 222, 225, 240, 270, 288, 296, 300, 320, 333, 360, 370, 384, 400, 401, 432, 444, 450, 480, 540, 555, 576, 592, 600, 640, 666, 675, 720, 740, 800, 802, 864, 888, 900, 925, 960, 999, 1080, 1110, 1152, 1184, 1200, 1203, 1332, 1350, 1440, 1480, 1600, 1604, 1665, 1728, 1776, 1800, 1850, 1920, 1998, 2005, 2160, 2220, 2368, 2400, 2406, 2664, 2700, 2775, 2880, 2960, 3200, 3208, 3330, 3456, 3552, 3600, 3609, 3700, 3996, 4010, 4320, 4440, 4736, 4800, 4812, 4995, 5328, 5400, 5550, 5760, 5920, 6015, 6416, 6660, 7104, 7200, 7218, 7400, 7992, 8020, 8325, 8640, 8880, 9600, 9624, 9990, 10025, 10656, 10800, 10827, 11100, 11840, 12030, 12832, 13320, 14208, 14400, 14436, 14800, 14837, 15984, 16040, 16650, 17280, 17760, 18045, 19248, 19980, 20050, 21312, 21600, 21654, 22200, 23680, 24060, 24975, 25664, 26640, 28800, 28872, 29600, 29674, 30075, 31968, 32080, 33300, 35520, 36090, 38496, 39960, 40100, 42624, 43200, 43308, 44400, 44511, 48120, 49950, 51328, 53280, 54135, 57744, 59200, 59348, 60150, 63936, 64160, 66600, 71040, 72180, 74185, 76992, 79920, 80200, 86400, 86616, 88800, 89022, 90225, 96240, 99900, 106560, 108270, 115488, 118400, 118696, 120300, 127872, 128320, 133200, 133533, 144360, 148370, 153984, 159840, 160400, 173232, 177600, 178044, 180450, 192480, 199800, 213120, 216540, 222555, 230976, 237392, 240600, 256640, 266400, 267066, 270675, 288720, 296740, 319680, 320800, 346464, 355200, 356088, 360900, 370925, 384960, 399600, 400599, 433080, 445110, 461952, 474784, 481200, 532800, 534132, 541350, 577440, 593480, 639360, 641600, 667665, 692928, 712176, 721800, 741850, 769920, 799200, 801198, 866160, 890220, 949568, 962400, 1065600, 1068264, 1082700, 1112775, 1154880, 1186960, 1283200, 1335330, 1385856, 1424352, 1443600, 1483700, 1598400, 1602396, 1732320, 1780440, 1899136, 1924800, 2002995, 2136528, 2165400, 2225550, 2309760, 2373920, 2670660, 2848704, 2887200, 2967400, 3196800, 3204792, 3338325, 3464640, 3560880, 3849600, 4005990, 4273056, 4330800, 4451100, 4747840, 5341320, 5697408, 5774400, 5934800, 6409584, 6676650, 6929280, 7121760, 8011980, 8546112, 8661600, 8902200, 9495680, 10014975, 10682640, 11548800, 11869600, 12819168, 13353300, 14243520, 16023960, 17092224, 17323200, 17804400, 20029950, 21365280, 23739200, 25638336, 26706600, 28487040, 32047920, 34646400, 35608800, 40059900, 42730560, 47478400, 51276672, 53413200, 64095840, 71217600, 80119800, 85461120, 106826400, 128191680, 142435200, 160239600, 213652800, 256383360, 320479200, 427305600, 640958400, 1281916800]

約数ペア:

[(1, 1281916800), (2, 640958400), (3, 427305600), (4, 320479200), (5, 256383360), (6, 213652800), (8, 160239600), (9, 142435200), (10, 128191680), (12, 106826400), (15, 85461120), (16, 80119800), (18, 71217600), (20, 64095840), (24, 53413200), (25, 51276672), (27, 47478400), (30, 42730560), (32, 40059900), (36, 35608800), (37, 34646400), (40, 32047920), (45, 28487040), (48, 26706600), (50, 25638336), (54, 23739200), (60, 21365280), (64, 20029950), (72, 17804400), (74, 17323200), (75, 17092224), (80, 16023960), (90, 14243520), (96, 13353300), (100, 12819168), (108, 11869600), (111, 11548800), (120, 10682640), (128, 10014975), (135, 9495680), (144, 8902200), (148, 8661600), (150, 8546112), (160, 8011980), (180, 7121760), (185, 6929280), (192, 6676650), (200, 6409584), (216, 5934800), (222, 5774400), (225, 5697408), (240, 5341320), (270, 4747840), (288, 4451100), (296, 4330800), (300, 4273056), (320, 4005990), (333, 3849600), (360, 3560880), (370, 3464640), (384, 3338325), (400, 3204792), (401, 3196800), (432, 2967400), (444, 2887200), (450, 2848704), (480, 2670660), (540, 2373920), (555, 2309760), (576, 2225550), (592, 2165400), (600, 2136528), (640, 2002995), (666, 1924800), (675, 1899136), (720, 1780440), (740, 1732320), (800, 1602396), (802, 1598400), (864, 1483700), (888, 1443600), (900, 1424352), (925, 1385856), (960, 1335330), (999, 1283200), (1080, 1186960), (1110, 1154880), (1152, 1112775), (1184, 1082700), (1200, 1068264), (1203, 1065600), (1332, 962400), (1350, 949568), (1440, 890220), (1480, 866160), (1600, 801198), (1604, 799200), (1665, 769920), (1728, 741850), (1776, 721800), (1800, 712176), (1850, 692928), (1920, 667665), (1998, 641600), (2005, 639360), (2160, 593480), (2220, 577440), (2368, 541350), (2400, 534132), (2406, 532800), (2664, 481200), (2700, 474784), (2775, 461952), (2880, 445110), (2960, 433080), (3200, 400599), (3208, 399600), (3330, 384960), (3456, 370925), (3552, 360900), (3600, 356088), (3609, 355200), (3700, 346464), (3996, 320800), (4010, 319680), (4320, 296740), (4440, 288720), (4736, 270675), (4800, 267066), (4812, 266400), (4995, 256640), (5328, 240600), (5400, 237392), (5550, 230976), (5760, 222555), (5920, 216540), (6015, 213120), (6416, 199800), (6660, 192480), (7104, 180450), (7200, 178044), (7218, 177600), (7400, 173232), (7992, 160400), (8020, 159840), (8325, 153984), (8640, 148370), (8880, 144360), (9600, 133533), (9624, 133200), (9990, 128320), (10025, 127872), (10656, 120300), (10800, 118696), (10827, 118400), (11100, 115488), (11840, 108270), (12030, 106560), (12832, 99900), (13320, 96240), (14208, 90225), (14400, 89022), (14436, 88800), (14800, 86616), (14837, 86400), (15984, 80200), (16040, 79920), (16650, 76992), (17280, 74185), (17760, 72180), (18045, 71040), (19248, 66600), (19980, 64160), (20050, 63936), (21312, 60150), (21600, 59348), (21654, 59200), (22200, 57744), (23680, 54135), (24060, 53280), (24975, 51328), (25664, 49950), (26640, 48120), (28800, 44511), (28872, 44400), (29600, 43308), (29674, 43200), (30075, 42624), (31968, 40100), (32080, 39960), (33300, 38496), (35520, 36090)]