128405760

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 288

約数和(自身を含む): 498016512

約数和(自身を除く): 369610752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 256, 272, 280, 281, 320, 336, 340, 357, 384, 408, 420, 448, 476, 480, 510, 544, 560, 562, 595, 640, 672, 680, 714, 768, 816, 840, 843, 896, 952, 960, 1020, 1088, 1120, 1124, 1190, 1280, 1344, 1360, 1405, 1428, 1632, 1680, 1686, 1785, 1792, 1904, 1920, 1967, 2040, 2176, 2240, 2248, 2380, 2688, 2720, 2810, 2856, 3264, 3360, 3372, 3570, 3808, 3840, 3934, 4080, 4215, 4352, 4480, 4496, 4760, 4777, 5376, 5440, 5620, 5712, 5901, 6528, 6720, 6744, 7140, 7616, 7868, 8160, 8430, 8960, 8992, 9520, 9554, 9835, 10880, 11240, 11424, 11802, 13056, 13440, 13488, 14280, 14331, 15232, 15736, 16320, 16860, 17984, 19040, 19108, 19670, 21760, 22480, 22848, 23604, 23885, 26880, 26976, 28560, 28662, 29505, 30464, 31472, 32640, 33439, 33720, 35968, 38080, 38216, 39340, 44960, 45696, 47208, 47770, 53952, 57120, 57324, 59010, 62944, 65280, 66878, 67440, 71655, 71936, 76160, 76432, 78680, 89920, 91392, 94416, 95540, 100317, 107904, 114240, 114648, 118020, 125888, 133756, 134880, 143310, 152320, 152864, 157360, 167195, 179840, 188832, 191080, 200634, 215808, 228480, 229296, 236040, 251776, 267512, 269760, 286620, 305728, 314720, 334390, 359680, 377664, 382160, 401268, 456960, 458592, 472080, 501585, 503552, 535024, 539520, 573240, 611456, 629440, 668780, 755328, 764320, 802536, 917184, 944160, 1003170, 1070048, 1079040, 1146480, 1222912, 1258880, 1337560, 1510656, 1528640, 1605072, 1834368, 1888320, 2006340, 2140096, 2292960, 2517760, 2675120, 3057280, 3210144, 3668736, 3776640, 4012680, 4280192, 4585920, 5350240, 6114560, 6420288, 7553280, 8025360, 8560384, 9171840, 10700480, 12840576, 16050720, 18343680, 21400960, 25681152, 32101440, 42801920, 64202880, 128405760]

約数ペア:

[(1, 128405760), (2, 64202880), (3, 42801920), (4, 32101440), (5, 25681152), (6, 21400960), (7, 18343680), (8, 16050720), (10, 12840576), (12, 10700480), (14, 9171840), (15, 8560384), (16, 8025360), (17, 7553280), (20, 6420288), (21, 6114560), (24, 5350240), (28, 4585920), (30, 4280192), (32, 4012680), (34, 3776640), (35, 3668736), (40, 3210144), (42, 3057280), (48, 2675120), (51, 2517760), (56, 2292960), (60, 2140096), (64, 2006340), (68, 1888320), (70, 1834368), (80, 1605072), (84, 1528640), (85, 1510656), (96, 1337560), (102, 1258880), (105, 1222912), (112, 1146480), (119, 1079040), (120, 1070048), (128, 1003170), (136, 944160), (140, 917184), (160, 802536), (168, 764320), (170, 755328), (192, 668780), (204, 629440), (210, 611456), (224, 573240), (238, 539520), (240, 535024), (255, 503552), (256, 501585), (272, 472080), (280, 458592), (281, 456960), (320, 401268), (336, 382160), (340, 377664), (357, 359680), (384, 334390), (408, 314720), (420, 305728), (448, 286620), (476, 269760), (480, 267512), (510, 251776), (544, 236040), (560, 229296), (562, 228480), (595, 215808), (640, 200634), (672, 191080), (680, 188832), (714, 179840), (768, 167195), (816, 157360), (840, 152864), (843, 152320), (896, 143310), (952, 134880), (960, 133756), (1020, 125888), (1088, 118020), (1120, 114648), (1124, 114240), (1190, 107904), (1280, 100317), (1344, 95540), (1360, 94416), (1405, 91392), (1428, 89920), (1632, 78680), (1680, 76432), (1686, 76160), (1785, 71936), (1792, 71655), (1904, 67440), (1920, 66878), (1967, 65280), (2040, 62944), (2176, 59010), (2240, 57324), (2248, 57120), (2380, 53952), (2688, 47770), (2720, 47208), (2810, 45696), (2856, 44960), (3264, 39340), (3360, 38216), (3372, 38080), (3570, 35968), (3808, 33720), (3840, 33439), (3934, 32640), (4080, 31472), (4215, 30464), (4352, 29505), (4480, 28662), (4496, 28560), (4760, 26976), (4777, 26880), (5376, 23885), (5440, 23604), (5620, 22848), (5712, 22480), (5901, 21760), (6528, 19670), (6720, 19108), (6744, 19040), (7140, 17984), (7616, 16860), (7868, 16320), (8160, 15736), (8430, 15232), (8960, 14331), (8992, 14280), (9520, 13488), (9554, 13440), (9835, 13056), (10880, 11802), (11240, 11424)]