261103920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 320

約数和(自身を含む): 1028505600

約数和(自身を除く): 767401680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 71, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 142, 154, 165, 168, 176, 199, 210, 213, 220, 231, 240, 264, 280, 284, 308, 330, 336, 355, 385, 398, 420, 426, 440, 462, 497, 528, 560, 568, 597, 616, 660, 710, 770, 781, 796, 840, 852, 880, 924, 994, 995, 1065, 1136, 1155, 1194, 1232, 1320, 1393, 1420, 1491, 1540, 1562, 1592, 1680, 1704, 1848, 1988, 1990, 2130, 2189, 2310, 2343, 2388, 2485, 2640, 2786, 2840, 2982, 2985, 3080, 3124, 3184, 3408, 3696, 3905, 3976, 3980, 4179, 4260, 4378, 4620, 4686, 4776, 4970, 5467, 5572, 5680, 5964, 5970, 6160, 6248, 6567, 6965, 7455, 7810, 7952, 7960, 8358, 8520, 8756, 9240, 9372, 9552, 9940, 10934, 10945, 11144, 11715, 11928, 11940, 12496, 13134, 13930, 14129, 14910, 15323, 15620, 15920, 16401, 16716, 17040, 17512, 18480, 18744, 19880, 20895, 21868, 21890, 22288, 23430, 23856, 23880, 26268, 27335, 27860, 28258, 29820, 30646, 31240, 32802, 32835, 33432, 35024, 37488, 39760, 41790, 42387, 43736, 43780, 45969, 46860, 47760, 52536, 54670, 55720, 56516, 59640, 61292, 62480, 65604, 65670, 66864, 70645, 76615, 82005, 83580, 84774, 87472, 87560, 91938, 93720, 98903, 105072, 109340, 111440, 113032, 119280, 122584, 131208, 131340, 141290, 153230, 155419, 164010, 167160, 169548, 175120, 183876, 187440, 197806, 211935, 218680, 226064, 229845, 245168, 262416, 262680, 282580, 296709, 306460, 310838, 328020, 334320, 339096, 367752, 395612, 423870, 437360, 459690, 466257, 494515, 525360, 565160, 593418, 612920, 621676, 656040, 678192, 735504, 777095, 791224, 847740, 919380, 932514, 989030, 1087933, 1130320, 1186836, 1225840, 1243352, 1312080, 1483545, 1554190, 1582448, 1695480, 1838760, 1865028, 1978060, 2175866, 2331285, 2373672, 2486704, 2967090, 3108380, 3263799, 3390960, 3677520, 3730056, 3956120, 4351732, 4662570, 4747344, 5439665, 5934180, 6216760, 6527598, 7460112, 7912240, 8703464, 9325140, 10879330, 11868360, 12433520, 13055196, 16318995, 17406928, 18650280, 21758660, 23736720, 26110392, 32637990, 37300560, 43517320, 52220784, 65275980, 87034640, 130551960, 261103920]

約数ペア:

[(1, 261103920), (2, 130551960), (3, 87034640), (4, 65275980), (5, 52220784), (6, 43517320), (7, 37300560), (8, 32637990), (10, 26110392), (11, 23736720), (12, 21758660), (14, 18650280), (15, 17406928), (16, 16318995), (20, 13055196), (21, 12433520), (22, 11868360), (24, 10879330), (28, 9325140), (30, 8703464), (33, 7912240), (35, 7460112), (40, 6527598), (42, 6216760), (44, 5934180), (48, 5439665), (55, 4747344), (56, 4662570), (60, 4351732), (66, 3956120), (70, 3730056), (71, 3677520), (77, 3390960), (80, 3263799), (84, 3108380), (88, 2967090), (105, 2486704), (110, 2373672), (112, 2331285), (120, 2175866), (132, 1978060), (140, 1865028), (142, 1838760), (154, 1695480), (165, 1582448), (168, 1554190), (176, 1483545), (199, 1312080), (210, 1243352), (213, 1225840), (220, 1186836), (231, 1130320), (240, 1087933), (264, 989030), (280, 932514), (284, 919380), (308, 847740), (330, 791224), (336, 777095), (355, 735504), (385, 678192), (398, 656040), (420, 621676), (426, 612920), (440, 593418), (462, 565160), (497, 525360), (528, 494515), (560, 466257), (568, 459690), (597, 437360), (616, 423870), (660, 395612), (710, 367752), (770, 339096), (781, 334320), (796, 328020), (840, 310838), (852, 306460), (880, 296709), (924, 282580), (994, 262680), (995, 262416), (1065, 245168), (1136, 229845), (1155, 226064), (1194, 218680), (1232, 211935), (1320, 197806), (1393, 187440), (1420, 183876), (1491, 175120), (1540, 169548), (1562, 167160), (1592, 164010), (1680, 155419), (1704, 153230), (1848, 141290), (1988, 131340), (1990, 131208), (2130, 122584), (2189, 119280), (2310, 113032), (2343, 111440), (2388, 109340), (2485, 105072), (2640, 98903), (2786, 93720), (2840, 91938), (2982, 87560), (2985, 87472), (3080, 84774), (3124, 83580), (3184, 82005), (3408, 76615), (3696, 70645), (3905, 66864), (3976, 65670), (3980, 65604), (4179, 62480), (4260, 61292), (4378, 59640), (4620, 56516), (4686, 55720), (4776, 54670), (4970, 52536), (5467, 47760), (5572, 46860), (5680, 45969), (5964, 43780), (5970, 43736), (6160, 42387), (6248, 41790), (6567, 39760), (6965, 37488), (7455, 35024), (7810, 33432), (7952, 32835), (7960, 32802), (8358, 31240), (8520, 30646), (8756, 29820), (9240, 28258), (9372, 27860), (9552, 27335), (9940, 26268), (10934, 23880), (10945, 23856), (11144, 23430), (11715, 22288), (11928, 21890), (11940, 21868), (12496, 20895), (13134, 19880), (13930, 18744), (14129, 18480), (14910, 17512), (15323, 17040), (15620, 16716), (15920, 16401)]