1816590720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{19309}}^1$

素因数の和:19345

約数の個数: 192

約数和(自身を含む): 6736100400

約数和(自身を除く): 4919509680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3920, 4480, 4704, 5880, 6272, 6720, 7840, 9408, 11760, 13440, 15680, 18816, 19309, 23520, 31360, 38618, 47040, 57927, 77236, 94080, 96545, 115854, 135163, 154472, 193090, 231708, 270326, 289635, 308944, 386180, 405489, 463416, 540652, 579270, 617888, 675815, 772360, 810978, 926832, 946141, 1081304, 1158540, 1235776, 1351630, 1544720, 1621956, 1853664, 1892282, 2027445, 2162608, 2317080, 2471552, 2703260, 2838423, 3089440, 3243912, 3707328, 3784564, 4054890, 4325216, 4634160, 4730705, 5406520, 5676846, 6178880, 6487824, 7414656, 7569128, 8109780, 8650432, 9268320, 9461410, 10813040, 11353692, 12357760, 12975648, 14192115, 15138256, 16219560, 17300864, 18536640, 18922820, 21626080, 22707384, 25951296, 28384230, 30276512, 32439120, 37073280, 37845640, 43252160, 45414768, 51902592, 56768460, 60553024, 64878240, 75691280, 86504320, 90829536, 113536920, 121106048, 129756480, 151382560, 181659072, 227073840, 259512960, 302765120, 363318144, 454147680, 605530240, 908295360, 1816590720]

約数ペア:

[(1, 1816590720), (2, 908295360), (3, 605530240), (4, 454147680), (5, 363318144), (6, 302765120), (7, 259512960), (8, 227073840), (10, 181659072), (12, 151382560), (14, 129756480), (15, 121106048), (16, 113536920), (20, 90829536), (21, 86504320), (24, 75691280), (28, 64878240), (30, 60553024), (32, 56768460), (35, 51902592), (40, 45414768), (42, 43252160), (48, 37845640), (49, 37073280), (56, 32439120), (60, 30276512), (64, 28384230), (70, 25951296), (80, 22707384), (84, 21626080), (96, 18922820), (98, 18536640), (105, 17300864), (112, 16219560), (120, 15138256), (128, 14192115), (140, 12975648), (147, 12357760), (160, 11353692), (168, 10813040), (192, 9461410), (196, 9268320), (210, 8650432), (224, 8109780), (240, 7569128), (245, 7414656), (280, 6487824), (294, 6178880), (320, 5676846), (336, 5406520), (384, 4730705), (392, 4634160), (420, 4325216), (448, 4054890), (480, 3784564), (490, 3707328), (560, 3243912), (588, 3089440), (640, 2838423), (672, 2703260), (735, 2471552), (784, 2317080), (840, 2162608), (896, 2027445), (960, 1892282), (980, 1853664), (1120, 1621956), (1176, 1544720), (1344, 1351630), (1470, 1235776), (1568, 1158540), (1680, 1081304), (1920, 946141), (1960, 926832), (2240, 810978), (2352, 772360), (2688, 675815), (2940, 617888), (3136, 579270), (3360, 540652), (3920, 463416), (4480, 405489), (4704, 386180), (5880, 308944), (6272, 289635), (6720, 270326), (7840, 231708), (9408, 193090), (11760, 154472), (13440, 135163), (15680, 115854), (18816, 96545), (19309, 94080), (23520, 77236), (31360, 57927), (38618, 47040)]