285006720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1$

素因数の和:1980

約数の個数: 128

約数和(自身を含む): 920448000

約数和(自身を除く): 635441280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 316, 320, 384, 395, 474, 480, 632, 640, 790, 948, 960, 1185, 1264, 1580, 1879, 1896, 1920, 2370, 2528, 3160, 3758, 3792, 4740, 5056, 5637, 6320, 7516, 7584, 9395, 9480, 10112, 11274, 12640, 15032, 15168, 18790, 18960, 22548, 25280, 28185, 30064, 30336, 37580, 37920, 45096, 50560, 56370, 60128, 75160, 75840, 90192, 112740, 120256, 148441, 150320, 151680, 180384, 225480, 240512, 296882, 300640, 360768, 445323, 450960, 593764, 601280, 721536, 742205, 890646, 901920, 1187528, 1202560, 1484410, 1781292, 1803840, 2226615, 2375056, 2968820, 3562584, 3607680, 4453230, 4750112, 5937640, 7125168, 8906460, 9500224, 11875280, 14250336, 17812920, 19000448, 23750560, 28500672, 35625840, 47501120, 57001344, 71251680, 95002240, 142503360, 285006720]

約数ペア:

[(1, 285006720), (2, 142503360), (3, 95002240), (4, 71251680), (5, 57001344), (6, 47501120), (8, 35625840), (10, 28500672), (12, 23750560), (15, 19000448), (16, 17812920), (20, 14250336), (24, 11875280), (30, 9500224), (32, 8906460), (40, 7125168), (48, 5937640), (60, 4750112), (64, 4453230), (79, 3607680), (80, 3562584), (96, 2968820), (120, 2375056), (128, 2226615), (158, 1803840), (160, 1781292), (192, 1484410), (237, 1202560), (240, 1187528), (316, 901920), (320, 890646), (384, 742205), (395, 721536), (474, 601280), (480, 593764), (632, 450960), (640, 445323), (790, 360768), (948, 300640), (960, 296882), (1185, 240512), (1264, 225480), (1580, 180384), (1879, 151680), (1896, 150320), (1920, 148441), (2370, 120256), (2528, 112740), (3160, 90192), (3758, 75840), (3792, 75160), (4740, 60128), (5056, 56370), (5637, 50560), (6320, 45096), (7516, 37920), (7584, 37580), (9395, 30336), (9480, 30064), (10112, 28185), (11274, 25280), (12640, 22548), (15032, 18960), (15168, 18790)]