245437080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 256

約数和(自身を含む): 881280000

約数和(自身を除く): 635842920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 67, 70, 84, 89, 98, 105, 120, 134, 140, 147, 168, 178, 196, 201, 210, 245, 267, 268, 280, 294, 335, 343, 356, 392, 402, 420, 445, 469, 490, 534, 536, 588, 623, 670, 686, 712, 735, 804, 840, 890, 938, 980, 1005, 1029, 1068, 1176, 1246, 1335, 1340, 1372, 1407, 1470, 1608, 1715, 1780, 1869, 1876, 1960, 2010, 2058, 2136, 2345, 2492, 2670, 2680, 2744, 2814, 2940, 3115, 3283, 3430, 3560, 3738, 3752, 4020, 4116, 4361, 4690, 4984, 5145, 5340, 5628, 5880, 5963, 6230, 6566, 6860, 7035, 7476, 8040, 8232, 8722, 9345, 9380, 9849, 10290, 10680, 11256, 11926, 12460, 13083, 13132, 13720, 14070, 14952, 16415, 17444, 17889, 18690, 18760, 19698, 20580, 21805, 22981, 23852, 24920, 26166, 26264, 28140, 29815, 30527, 32830, 34888, 35778, 37380, 39396, 41160, 41741, 43610, 45962, 47704, 49245, 52332, 56280, 59630, 61054, 65415, 65660, 68943, 71556, 74760, 78792, 83482, 87220, 89445, 91581, 91924, 98490, 104664, 114905, 119260, 122108, 125223, 130830, 131320, 137886, 143112, 152635, 166964, 174440, 178890, 183162, 183848, 196980, 208705, 229810, 238520, 244216, 250446, 261660, 275772, 292187, 305270, 333928, 344715, 357780, 366324, 393960, 417410, 457905, 459620, 500892, 523320, 551544, 584374, 610540, 626115, 689430, 715560, 732648, 834820, 876561, 915810, 919240, 1001784, 1168748, 1221080, 1252230, 1378860, 1460935, 1669640, 1753122, 1831620, 2045309, 2337496, 2504460, 2757720, 2921870, 3506244, 3663240, 4090618, 4382805, 5008920, 5843740, 6135927, 7012488, 8181236, 8765610, 10226545, 11687480, 12271854, 16362472, 17531220, 20453090, 24543708, 30679635, 35062440, 40906180, 49087416, 61359270, 81812360, 122718540, 245437080]

約数ペア:

[(1, 245437080), (2, 122718540), (3, 81812360), (4, 61359270), (5, 49087416), (6, 40906180), (7, 35062440), (8, 30679635), (10, 24543708), (12, 20453090), (14, 17531220), (15, 16362472), (20, 12271854), (21, 11687480), (24, 10226545), (28, 8765610), (30, 8181236), (35, 7012488), (40, 6135927), (42, 5843740), (49, 5008920), (56, 4382805), (60, 4090618), (67, 3663240), (70, 3506244), (84, 2921870), (89, 2757720), (98, 2504460), (105, 2337496), (120, 2045309), (134, 1831620), (140, 1753122), (147, 1669640), (168, 1460935), (178, 1378860), (196, 1252230), (201, 1221080), (210, 1168748), (245, 1001784), (267, 919240), (268, 915810), (280, 876561), (294, 834820), (335, 732648), (343, 715560), (356, 689430), (392, 626115), (402, 610540), (420, 584374), (445, 551544), (469, 523320), (490, 500892), (534, 459620), (536, 457905), (588, 417410), (623, 393960), (670, 366324), (686, 357780), (712, 344715), (735, 333928), (804, 305270), (840, 292187), (890, 275772), (938, 261660), (980, 250446), (1005, 244216), (1029, 238520), (1068, 229810), (1176, 208705), (1246, 196980), (1335, 183848), (1340, 183162), (1372, 178890), (1407, 174440), (1470, 166964), (1608, 152635), (1715, 143112), (1780, 137886), (1869, 131320), (1876, 130830), (1960, 125223), (2010, 122108), (2058, 119260), (2136, 114905), (2345, 104664), (2492, 98490), (2670, 91924), (2680, 91581), (2744, 89445), (2814, 87220), (2940, 83482), (3115, 78792), (3283, 74760), (3430, 71556), (3560, 68943), (3738, 65660), (3752, 65415), (4020, 61054), (4116, 59630), (4361, 56280), (4690, 52332), (4984, 49245), (5145, 47704), (5340, 45962), (5628, 43610), (5880, 41741), (5963, 41160), (6230, 39396), (6566, 37380), (6860, 35778), (7035, 34888), (7476, 32830), (8040, 30527), (8232, 29815), (8722, 28140), (9345, 26264), (9380, 26166), (9849, 24920), (10290, 23852), (10680, 22981), (11256, 21805), (11926, 20580), (12460, 19698), (13083, 18760), (13132, 18690), (13720, 17889), (14070, 17444), (14952, 16415)]