280477440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:375

約数の個数: 216

約数和(自身を含む): 984333168

約数和(自身を除く): 703855728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 97, 120, 128, 144, 160, 180, 192, 194, 240, 251, 256, 288, 291, 320, 360, 384, 388, 480, 485, 502, 576, 582, 640, 720, 753, 768, 776, 873, 960, 970, 1004, 1152, 1164, 1255, 1280, 1440, 1455, 1506, 1552, 1746, 1920, 1940, 2008, 2259, 2304, 2328, 2510, 2880, 2910, 3012, 3104, 3492, 3765, 3840, 3880, 4016, 4365, 4518, 4656, 5020, 5760, 5820, 6024, 6208, 6984, 7530, 7760, 8032, 8730, 9036, 9312, 10040, 11295, 11520, 11640, 12048, 12416, 13968, 15060, 15520, 16064, 17460, 18072, 18624, 20080, 22590, 23280, 24096, 24347, 24832, 27936, 30120, 31040, 32128, 34920, 36144, 37248, 40160, 45180, 46560, 48192, 48694, 55872, 60240, 62080, 64256, 69840, 72288, 73041, 74496, 80320, 90360, 93120, 96384, 97388, 111744, 120480, 121735, 124160, 139680, 144576, 146082, 160640, 180720, 186240, 192768, 194776, 219123, 223488, 240960, 243470, 279360, 289152, 292164, 321280, 361440, 365205, 372480, 389552, 438246, 481920, 486940, 558720, 578304, 584328, 722880, 730410, 779104, 876492, 963840, 973880, 1095615, 1117440, 1168656, 1445760, 1460820, 1558208, 1752984, 1947760, 2191230, 2337312, 2891520, 2921640, 3116416, 3505968, 3895520, 4382460, 4674624, 5843280, 6232832, 7011936, 7791040, 8764920, 9349248, 11686560, 14023872, 15582080, 17529840, 18698496, 23373120, 28047744, 31164160, 35059680, 46746240, 56095488, 70119360, 93492480, 140238720, 280477440]

約数ペア:

[(1, 280477440), (2, 140238720), (3, 93492480), (4, 70119360), (5, 56095488), (6, 46746240), (8, 35059680), (9, 31164160), (10, 28047744), (12, 23373120), (15, 18698496), (16, 17529840), (18, 15582080), (20, 14023872), (24, 11686560), (30, 9349248), (32, 8764920), (36, 7791040), (40, 7011936), (45, 6232832), (48, 5843280), (60, 4674624), (64, 4382460), (72, 3895520), (80, 3505968), (90, 3116416), (96, 2921640), (97, 2891520), (120, 2337312), (128, 2191230), (144, 1947760), (160, 1752984), (180, 1558208), (192, 1460820), (194, 1445760), (240, 1168656), (251, 1117440), (256, 1095615), (288, 973880), (291, 963840), (320, 876492), (360, 779104), (384, 730410), (388, 722880), (480, 584328), (485, 578304), (502, 558720), (576, 486940), (582, 481920), (640, 438246), (720, 389552), (753, 372480), (768, 365205), (776, 361440), (873, 321280), (960, 292164), (970, 289152), (1004, 279360), (1152, 243470), (1164, 240960), (1255, 223488), (1280, 219123), (1440, 194776), (1455, 192768), (1506, 186240), (1552, 180720), (1746, 160640), (1920, 146082), (1940, 144576), (2008, 139680), (2259, 124160), (2304, 121735), (2328, 120480), (2510, 111744), (2880, 97388), (2910, 96384), (3012, 93120), (3104, 90360), (3492, 80320), (3765, 74496), (3840, 73041), (3880, 72288), (4016, 69840), (4365, 64256), (4518, 62080), (4656, 60240), (5020, 55872), (5760, 48694), (5820, 48192), (6024, 46560), (6208, 45180), (6984, 40160), (7530, 37248), (7760, 36144), (8032, 34920), (8730, 32128), (9036, 31040), (9312, 30120), (10040, 27936), (11295, 24832), (11520, 24347), (11640, 24096), (12048, 23280), (12416, 22590), (13968, 20080), (15060, 18624), (15520, 18072), (16064, 17460)]