309985920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17939}}^1$

素因数の和:17967

約数の個数: 128

約数和(自身を含む): 1097928000

約数和(自身を除く): 787942080

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, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 17939, 35878, 53817, 71756, 89695, 107634, 143512, 161451, 179390, 215268, 269085, 287024, 322902, 358780, 430536, 484353, 538170, 574048, 645804, 717560, 807255, 861072, 968706, 1076340, 1148096, 1291608, 1435120, 1614510, 1722144, 1937412, 2152680, 2296192, 2421765, 2583216, 2870240, 3229020, 3444288, 3874824, 4305360, 4843530, 5166432, 5740480, 6458040, 6888576, 7749648, 8610720, 9687060, 10332864, 11480960, 12916080, 15499296, 17221440, 19374120, 20665728, 25832160, 30998592, 34442880, 38748240, 51664320, 61997184, 77496480, 103328640, 154992960, 309985920]

約数ペア:

[(1, 309985920), (2, 154992960), (3, 103328640), (4, 77496480), (5, 61997184), (6, 51664320), (8, 38748240), (9, 34442880), (10, 30998592), (12, 25832160), (15, 20665728), (16, 19374120), (18, 17221440), (20, 15499296), (24, 12916080), (27, 11480960), (30, 10332864), (32, 9687060), (36, 8610720), (40, 7749648), (45, 6888576), (48, 6458040), (54, 5740480), (60, 5166432), (64, 4843530), (72, 4305360), (80, 3874824), (90, 3444288), (96, 3229020), (108, 2870240), (120, 2583216), (128, 2421765), (135, 2296192), (144, 2152680), (160, 1937412), (180, 1722144), (192, 1614510), (216, 1435120), (240, 1291608), (270, 1148096), (288, 1076340), (320, 968706), (360, 861072), (384, 807255), (432, 717560), (480, 645804), (540, 574048), (576, 538170), (640, 484353), (720, 430536), (864, 358780), (960, 322902), (1080, 287024), (1152, 269085), (1440, 215268), (1728, 179390), (1920, 161451), (2160, 143512), (2880, 107634), (3456, 89695), (4320, 71756), (5760, 53817), (8640, 35878), (17280, 17939)]