320958720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 288

約数和(自身を含む): 1174400640

約数和(自身を除く): 853441920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 128, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 251, 256, 270, 288, 296, 320, 333, 360, 370, 384, 432, 444, 480, 502, 540, 555, 576, 592, 640, 666, 720, 740, 753, 768, 864, 888, 960, 999, 1004, 1080, 1110, 1152, 1184, 1255, 1280, 1332, 1440, 1480, 1506, 1665, 1728, 1776, 1920, 1998, 2008, 2160, 2220, 2259, 2304, 2368, 2510, 2664, 2880, 2960, 3012, 3330, 3456, 3552, 3765, 3840, 3996, 4016, 4320, 4440, 4518, 4736, 4995, 5020, 5328, 5760, 5920, 6024, 6660, 6777, 6912, 7104, 7530, 7992, 8032, 8640, 8880, 9036, 9287, 9472, 9990, 10040, 10656, 11295, 11520, 11840, 12048, 13320, 13554, 14208, 15060, 15984, 16064, 17280, 17760, 18072, 18574, 19980, 20080, 21312, 22590, 23680, 24096, 26640, 27108, 27861, 28416, 30120, 31968, 32128, 33885, 34560, 35520, 36144, 37148, 39960, 40160, 42624, 45180, 46435, 47360, 48192, 53280, 54216, 55722, 60240, 63936, 64256, 67770, 71040, 72288, 74296, 79920, 80320, 83583, 85248, 90360, 92870, 96384, 106560, 108432, 111444, 120480, 127872, 135540, 139305, 142080, 144576, 148592, 159840, 160640, 167166, 180720, 185740, 192768, 213120, 216864, 222888, 240960, 250749, 255744, 271080, 278610, 289152, 297184, 319680, 321280, 334332, 361440, 371480, 417915, 426240, 433728, 445776, 481920, 501498, 542160, 557220, 578304, 594368, 639360, 668664, 722880, 742960, 835830, 867456, 891552, 963840, 1002996, 1084320, 1114440, 1188736, 1253745, 1278720, 1337328, 1445760, 1485920, 1671660, 1734912, 1783104, 2005992, 2168640, 2228880, 2377472, 2507490, 2674656, 2891520, 2971840, 3343320, 3566208, 4011984, 4337280, 4457760, 5014980, 5349312, 5943680, 6686640, 7132416, 8023968, 8674560, 8915520, 10029960, 10698624, 11887360, 13373280, 16047936, 17831040, 20059920, 21397248, 26746560, 32095872, 35662080, 40119840, 53493120, 64191744, 80239680, 106986240, 160479360, 320958720]

約数ペア:

[(1, 320958720), (2, 160479360), (3, 106986240), (4, 80239680), (5, 64191744), (6, 53493120), (8, 40119840), (9, 35662080), (10, 32095872), (12, 26746560), (15, 21397248), (16, 20059920), (18, 17831040), (20, 16047936), (24, 13373280), (27, 11887360), (30, 10698624), (32, 10029960), (36, 8915520), (37, 8674560), (40, 8023968), (45, 7132416), (48, 6686640), (54, 5943680), (60, 5349312), (64, 5014980), (72, 4457760), (74, 4337280), (80, 4011984), (90, 3566208), (96, 3343320), (108, 2971840), (111, 2891520), (120, 2674656), (128, 2507490), (135, 2377472), (144, 2228880), (148, 2168640), (160, 2005992), (180, 1783104), (185, 1734912), (192, 1671660), (216, 1485920), (222, 1445760), (240, 1337328), (251, 1278720), (256, 1253745), (270, 1188736), (288, 1114440), (296, 1084320), (320, 1002996), (333, 963840), (360, 891552), (370, 867456), (384, 835830), (432, 742960), (444, 722880), (480, 668664), (502, 639360), (540, 594368), (555, 578304), (576, 557220), (592, 542160), (640, 501498), (666, 481920), (720, 445776), (740, 433728), (753, 426240), (768, 417915), (864, 371480), (888, 361440), (960, 334332), (999, 321280), (1004, 319680), (1080, 297184), (1110, 289152), (1152, 278610), (1184, 271080), (1255, 255744), (1280, 250749), (1332, 240960), (1440, 222888), (1480, 216864), (1506, 213120), (1665, 192768), (1728, 185740), (1776, 180720), (1920, 167166), (1998, 160640), (2008, 159840), (2160, 148592), (2220, 144576), (2259, 142080), (2304, 139305), (2368, 135540), (2510, 127872), (2664, 120480), (2880, 111444), (2960, 108432), (3012, 106560), (3330, 96384), (3456, 92870), (3552, 90360), (3765, 85248), (3840, 83583), (3996, 80320), (4016, 79920), (4320, 74296), (4440, 72288), (4518, 71040), (4736, 67770), (4995, 64256), (5020, 63936), (5328, 60240), (5760, 55722), (5920, 54216), (6024, 53280), (6660, 48192), (6777, 47360), (6912, 46435), (7104, 45180), (7530, 42624), (7992, 40160), (8032, 39960), (8640, 37148), (8880, 36144), (9036, 35520), (9287, 34560), (9472, 33885), (9990, 32128), (10040, 31968), (10656, 30120), (11295, 28416), (11520, 27861), (11840, 27108), (12048, 26640), (13320, 24096), (13554, 23680), (14208, 22590), (15060, 21312), (15984, 20080), (16064, 19980), (17280, 18574), (17760, 18072)]