289872240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^2$

素因数の和:344

約数の個数: 180

約数和(自身を含む): 1052015256

約数和(自身を除く): 762143016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 157, 168, 196, 210, 240, 245, 280, 294, 314, 336, 392, 420, 471, 490, 560, 588, 628, 735, 784, 785, 840, 942, 980, 1099, 1176, 1256, 1470, 1570, 1680, 1884, 1960, 2198, 2352, 2355, 2512, 2940, 3140, 3297, 3768, 3920, 4396, 4710, 5495, 5880, 6280, 6594, 7536, 7693, 8792, 9420, 10990, 11760, 12560, 13188, 15386, 16485, 17584, 18840, 21980, 23079, 24649, 26376, 30772, 32970, 37680, 38465, 43960, 46158, 49298, 52752, 61544, 65940, 73947, 76930, 87920, 92316, 98596, 115395, 123088, 123245, 131880, 147894, 153860, 172543, 184632, 197192, 230790, 246490, 263760, 295788, 307720, 345086, 369264, 369735, 394384, 461580, 492980, 517629, 591576, 615440, 690172, 739470, 862715, 923160, 985960, 1035258, 1183152, 1207801, 1380344, 1478940, 1725430, 1846320, 1971920, 2070516, 2415602, 2588145, 2760688, 2957880, 3450860, 3623403, 4141032, 4831204, 5176290, 5915760, 6039005, 6901720, 7246806, 8282064, 9662408, 10352580, 12078010, 13803440, 14493612, 18117015, 19324816, 20705160, 24156020, 28987224, 36234030, 41410320, 48312040, 57974448, 72468060, 96624080, 144936120, 289872240]

約数ペア:

[(1, 289872240), (2, 144936120), (3, 96624080), (4, 72468060), (5, 57974448), (6, 48312040), (7, 41410320), (8, 36234030), (10, 28987224), (12, 24156020), (14, 20705160), (15, 19324816), (16, 18117015), (20, 14493612), (21, 13803440), (24, 12078010), (28, 10352580), (30, 9662408), (35, 8282064), (40, 7246806), (42, 6901720), (48, 6039005), (49, 5915760), (56, 5176290), (60, 4831204), (70, 4141032), (80, 3623403), (84, 3450860), (98, 2957880), (105, 2760688), (112, 2588145), (120, 2415602), (140, 2070516), (147, 1971920), (157, 1846320), (168, 1725430), (196, 1478940), (210, 1380344), (240, 1207801), (245, 1183152), (280, 1035258), (294, 985960), (314, 923160), (336, 862715), (392, 739470), (420, 690172), (471, 615440), (490, 591576), (560, 517629), (588, 492980), (628, 461580), (735, 394384), (784, 369735), (785, 369264), (840, 345086), (942, 307720), (980, 295788), (1099, 263760), (1176, 246490), (1256, 230790), (1470, 197192), (1570, 184632), (1680, 172543), (1884, 153860), (1960, 147894), (2198, 131880), (2352, 123245), (2355, 123088), (2512, 115395), (2940, 98596), (3140, 92316), (3297, 87920), (3768, 76930), (3920, 73947), (4396, 65940), (4710, 61544), (5495, 52752), (5880, 49298), (6280, 46158), (6594, 43960), (7536, 38465), (7693, 37680), (8792, 32970), (9420, 30772), (10990, 26376), (11760, 24649), (12560, 23079), (13188, 21980), (15386, 18840), (16485, 17584)]