131221440

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:336

約数の個数: 336

約数和(自身を含む): 540154368

約数和(自身を除く): 408932928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 64, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 138, 140, 144, 160, 161, 168, 180, 184, 192, 207, 210, 224, 230, 240, 252, 276, 280, 283, 288, 315, 320, 322, 336, 345, 360, 368, 414, 420, 448, 460, 480, 483, 504, 552, 560, 566, 576, 630, 644, 672, 690, 720, 736, 805, 828, 840, 849, 920, 960, 966, 1008, 1035, 1104, 1120, 1132, 1260, 1288, 1344, 1380, 1415, 1440, 1449, 1472, 1610, 1656, 1680, 1698, 1840, 1932, 1981, 2016, 2070, 2208, 2240, 2264, 2415, 2520, 2547, 2576, 2760, 2830, 2880, 2898, 3220, 3312, 3360, 3396, 3680, 3864, 3962, 4032, 4140, 4245, 4416, 4528, 4830, 5040, 5094, 5152, 5520, 5660, 5796, 5943, 6440, 6509, 6624, 6720, 6792, 7245, 7360, 7728, 7924, 8280, 8490, 9056, 9660, 9905, 10080, 10188, 10304, 11040, 11320, 11592, 11886, 12735, 12880, 13018, 13248, 13584, 14490, 15456, 15848, 16560, 16980, 17829, 18112, 19320, 19527, 19810, 20160, 20376, 22080, 22640, 23184, 23772, 25470, 25760, 26036, 27168, 28980, 29715, 30912, 31696, 32545, 33120, 33960, 35658, 38640, 39054, 39620, 40752, 45280, 45563, 46368, 47544, 50940, 51520, 52072, 54336, 57960, 58581, 59430, 63392, 65090, 66240, 67920, 71316, 77280, 78108, 79240, 81504, 89145, 90560, 91126, 92736, 95088, 97635, 101880, 104144, 115920, 117162, 118860, 126784, 130180, 135840, 136689, 142632, 154560, 156216, 158480, 163008, 178290, 182252, 190176, 195270, 203760, 208288, 227815, 231840, 234324, 237720, 260360, 271680, 273378, 285264, 292905, 312432, 316960, 356580, 364504, 380352, 390540, 407520, 410067, 416576, 455630, 463680, 468648, 475440, 520720, 546756, 570528, 585810, 624864, 633920, 683445, 713160, 729008, 781080, 815040, 820134, 911260, 937296, 950880, 1041440, 1093512, 1141056, 1171620, 1249728, 1366890, 1426320, 1458016, 1562160, 1640268, 1822520, 1874592, 1901760, 2050335, 2082880, 2187024, 2343240, 2733780, 2852640, 2916032, 3124320, 3280536, 3645040, 3749184, 4100670, 4374048, 4686480, 5467560, 5705280, 6248640, 6561072, 7290080, 8201340, 8748096, 9372960, 10935120, 13122144, 14580160, 16402680, 18745920, 21870240, 26244288, 32805360, 43740480, 65610720, 131221440]

約数ペア:

[(1, 131221440), (2, 65610720), (3, 43740480), (4, 32805360), (5, 26244288), (6, 21870240), (7, 18745920), (8, 16402680), (9, 14580160), (10, 13122144), (12, 10935120), (14, 9372960), (15, 8748096), (16, 8201340), (18, 7290080), (20, 6561072), (21, 6248640), (23, 5705280), (24, 5467560), (28, 4686480), (30, 4374048), (32, 4100670), (35, 3749184), (36, 3645040), (40, 3280536), (42, 3124320), (45, 2916032), (46, 2852640), (48, 2733780), (56, 2343240), (60, 2187024), (63, 2082880), (64, 2050335), (69, 1901760), (70, 1874592), (72, 1822520), (80, 1640268), (84, 1562160), (90, 1458016), (92, 1426320), (96, 1366890), (105, 1249728), (112, 1171620), (115, 1141056), (120, 1093512), (126, 1041440), (138, 950880), (140, 937296), (144, 911260), (160, 820134), (161, 815040), (168, 781080), (180, 729008), (184, 713160), (192, 683445), (207, 633920), (210, 624864), (224, 585810), (230, 570528), (240, 546756), (252, 520720), (276, 475440), (280, 468648), (283, 463680), (288, 455630), (315, 416576), (320, 410067), (322, 407520), (336, 390540), (345, 380352), (360, 364504), (368, 356580), (414, 316960), (420, 312432), (448, 292905), (460, 285264), (480, 273378), (483, 271680), (504, 260360), (552, 237720), (560, 234324), (566, 231840), (576, 227815), (630, 208288), (644, 203760), (672, 195270), (690, 190176), (720, 182252), (736, 178290), (805, 163008), (828, 158480), (840, 156216), (849, 154560), (920, 142632), (960, 136689), (966, 135840), (1008, 130180), (1035, 126784), (1104, 118860), (1120, 117162), (1132, 115920), (1260, 104144), (1288, 101880), (1344, 97635), (1380, 95088), (1415, 92736), (1440, 91126), (1449, 90560), (1472, 89145), (1610, 81504), (1656, 79240), (1680, 78108), (1698, 77280), (1840, 71316), (1932, 67920), (1981, 66240), (2016, 65090), (2070, 63392), (2208, 59430), (2240, 58581), (2264, 57960), (2415, 54336), (2520, 52072), (2547, 51520), (2576, 50940), (2760, 47544), (2830, 46368), (2880, 45563), (2898, 45280), (3220, 40752), (3312, 39620), (3360, 39054), (3396, 38640), (3680, 35658), (3864, 33960), (3962, 33120), (4032, 32545), (4140, 31696), (4245, 30912), (4416, 29715), (4528, 28980), (4830, 27168), (5040, 26036), (5094, 25760), (5152, 25470), (5520, 23772), (5660, 23184), (5796, 22640), (5943, 22080), (6440, 20376), (6509, 20160), (6624, 19810), (6720, 19527), (6792, 19320), (7245, 18112), (7360, 17829), (7728, 16980), (7924, 16560), (8280, 15848), (8490, 15456), (9056, 14490), (9660, 13584), (9905, 13248), (10080, 13018), (10188, 12880), (10304, 12735), (11040, 11886), (11320, 11592)]