278795520

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{2689}}^1$

素因数の和:2722

約数の個数: 180

約数和(自身を含む): 997952340

約数和(自身を除く): 719156820

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, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2592, 2689, 2880, 3240, 3456, 3840, 4320, 5184, 5378, 5760, 6480, 6912, 8067, 8640, 10368, 10756, 11520, 12960, 13445, 16134, 17280, 20736, 21512, 24201, 25920, 26890, 32268, 34560, 40335, 43024, 48402, 51840, 53780, 64536, 72603, 80670, 86048, 96804, 103680, 107560, 121005, 129072, 145206, 161340, 172096, 193608, 215120, 217809, 242010, 258144, 290412, 322680, 344192, 363015, 387216, 430240, 435618, 484020, 516288, 580824, 645360, 688384, 726030, 774432, 860480, 871236, 968040, 1032576, 1089045, 1161648, 1290720, 1452060, 1548864, 1720960, 1742472, 1936080, 2065152, 2178090, 2323296, 2581440, 2904120, 3097728, 3441920, 3484944, 3872160, 4356180, 4646592, 5162880, 5808240, 6195456, 6969888, 7744320, 8712360, 9293184, 10325760, 11616480, 13939776, 15488640, 17424720, 18586368, 23232960, 27879552, 30977280, 34849440, 46465920, 55759104, 69698880, 92931840, 139397760, 278795520]

約数ペア:

[(1, 278795520), (2, 139397760), (3, 92931840), (4, 69698880), (5, 55759104), (6, 46465920), (8, 34849440), (9, 30977280), (10, 27879552), (12, 23232960), (15, 18586368), (16, 17424720), (18, 15488640), (20, 13939776), (24, 11616480), (27, 10325760), (30, 9293184), (32, 8712360), (36, 7744320), (40, 6969888), (45, 6195456), (48, 5808240), (54, 5162880), (60, 4646592), (64, 4356180), (72, 3872160), (80, 3484944), (81, 3441920), (90, 3097728), (96, 2904120), (108, 2581440), (120, 2323296), (128, 2178090), (135, 2065152), (144, 1936080), (160, 1742472), (162, 1720960), (180, 1548864), (192, 1452060), (216, 1290720), (240, 1161648), (256, 1089045), (270, 1032576), (288, 968040), (320, 871236), (324, 860480), (360, 774432), (384, 726030), (405, 688384), (432, 645360), (480, 580824), (540, 516288), (576, 484020), (640, 435618), (648, 430240), (720, 387216), (768, 363015), (810, 344192), (864, 322680), (960, 290412), (1080, 258144), (1152, 242010), (1280, 217809), (1296, 215120), (1440, 193608), (1620, 172096), (1728, 161340), (1920, 145206), (2160, 129072), (2304, 121005), (2592, 107560), (2689, 103680), (2880, 96804), (3240, 86048), (3456, 80670), (3840, 72603), (4320, 64536), (5184, 53780), (5378, 51840), (5760, 48402), (6480, 43024), (6912, 40335), (8067, 34560), (8640, 32268), (10368, 26890), (10756, 25920), (11520, 24201), (12960, 21512), (13445, 20736), (16134, 17280)]