256068960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4483}}^1$

素因数の和:4525

約数の個数: 192

約数和(自身を含む): 976292352

約数和(自身を除く): 720223392

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, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 1020, 1120, 1190, 1360, 1428, 1632, 1680, 1785, 1904, 2040, 2380, 2720, 2856, 3360, 3570, 3808, 4080, 4483, 4760, 5712, 7140, 8160, 8966, 9520, 11424, 13449, 14280, 17932, 19040, 22415, 26898, 28560, 31381, 35864, 44830, 53796, 57120, 62762, 67245, 71728, 76211, 89660, 94143, 107592, 125524, 134490, 143456, 152422, 156905, 179320, 188286, 215184, 228633, 251048, 268980, 304844, 313810, 358640, 376572, 381055, 430368, 457266, 470715, 502096, 533477, 537960, 609688, 627620, 717280, 753144, 762110, 914532, 941430, 1004192, 1066954, 1075920, 1143165, 1219376, 1255240, 1506288, 1524220, 1600431, 1829064, 1882860, 2133908, 2151840, 2286330, 2438752, 2510480, 2667385, 3012576, 3048440, 3200862, 3658128, 3765720, 4267816, 4572660, 5020960, 5334770, 6096880, 6401724, 7316256, 7531440, 8002155, 8535632, 9145320, 10669540, 12193760, 12803448, 15062880, 16004310, 17071264, 18290640, 21339080, 25606896, 32008620, 36581280, 42678160, 51213792, 64017240, 85356320, 128034480, 256068960]

約数ペア:

[(1, 256068960), (2, 128034480), (3, 85356320), (4, 64017240), (5, 51213792), (6, 42678160), (7, 36581280), (8, 32008620), (10, 25606896), (12, 21339080), (14, 18290640), (15, 17071264), (16, 16004310), (17, 15062880), (20, 12803448), (21, 12193760), (24, 10669540), (28, 9145320), (30, 8535632), (32, 8002155), (34, 7531440), (35, 7316256), (40, 6401724), (42, 6096880), (48, 5334770), (51, 5020960), (56, 4572660), (60, 4267816), (68, 3765720), (70, 3658128), (80, 3200862), (84, 3048440), (85, 3012576), (96, 2667385), (102, 2510480), (105, 2438752), (112, 2286330), (119, 2151840), (120, 2133908), (136, 1882860), (140, 1829064), (160, 1600431), (168, 1524220), (170, 1506288), (204, 1255240), (210, 1219376), (224, 1143165), (238, 1075920), (240, 1066954), (255, 1004192), (272, 941430), (280, 914532), (336, 762110), (340, 753144), (357, 717280), (408, 627620), (420, 609688), (476, 537960), (480, 533477), (510, 502096), (544, 470715), (560, 457266), (595, 430368), (672, 381055), (680, 376572), (714, 358640), (816, 313810), (840, 304844), (952, 268980), (1020, 251048), (1120, 228633), (1190, 215184), (1360, 188286), (1428, 179320), (1632, 156905), (1680, 152422), (1785, 143456), (1904, 134490), (2040, 125524), (2380, 107592), (2720, 94143), (2856, 89660), (3360, 76211), (3570, 71728), (3808, 67245), (4080, 62762), (4483, 57120), (4760, 53796), (5712, 44830), (7140, 35864), (8160, 31381), (8966, 28560), (9520, 26898), (11424, 22415), (13449, 19040), (14280, 17932)]