261912960

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:710

約数の個数: 256

約数和(自身を含む): 969408000

約数和(自身を除く): 707495040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 345, 360, 368, 384, 414, 432, 460, 480, 540, 552, 576, 621, 640, 659, 690, 720, 736, 828, 864, 920, 960, 1035, 1080, 1104, 1152, 1242, 1318, 1380, 1440, 1472, 1656, 1728, 1840, 1920, 1977, 2070, 2160, 2208, 2484, 2636, 2760, 2880, 2944, 3105, 3295, 3312, 3456, 3680, 3954, 4140, 4320, 4416, 4968, 5272, 5520, 5760, 5931, 6210, 6590, 6624, 7360, 7908, 8280, 8640, 8832, 9885, 9936, 10544, 11040, 11862, 12420, 13180, 13248, 14720, 15157, 15816, 16560, 17280, 17793, 19770, 19872, 21088, 22080, 23724, 24840, 26360, 26496, 29655, 30314, 31632, 33120, 35586, 39540, 39744, 42176, 44160, 45471, 47448, 49680, 52720, 59310, 60628, 63264, 66240, 71172, 75785, 79080, 79488, 84352, 88965, 90942, 94896, 99360, 105440, 118620, 121256, 126528, 132480, 136413, 142344, 151570, 158160, 177930, 181884, 189792, 198720, 210880, 227355, 237240, 242512, 253056, 272826, 284688, 303140, 316320, 355860, 363768, 379584, 397440, 409239, 421760, 454710, 474480, 485024, 545652, 569376, 606280, 632640, 682065, 711720, 727536, 759168, 818478, 909420, 948960, 970048, 1091304, 1138752, 1212560, 1265280, 1364130, 1423440, 1455072, 1636956, 1818840, 1897920, 1940096, 2046195, 2182608, 2277504, 2425120, 2728260, 2846880, 2910144, 3273912, 3637680, 3795840, 4092390, 4365216, 4850240, 5456520, 5693760, 5820288, 6547824, 7275360, 8184780, 8730432, 9700480, 10913040, 11387520, 13095648, 14550720, 16369560, 17460864, 21826080, 26191296, 29101440, 32739120, 43652160, 52382592, 65478240, 87304320, 130956480, 261912960]

約数ペア:

[(1, 261912960), (2, 130956480), (3, 87304320), (4, 65478240), (5, 52382592), (6, 43652160), (8, 32739120), (9, 29101440), (10, 26191296), (12, 21826080), (15, 17460864), (16, 16369560), (18, 14550720), (20, 13095648), (23, 11387520), (24, 10913040), (27, 9700480), (30, 8730432), (32, 8184780), (36, 7275360), (40, 6547824), (45, 5820288), (46, 5693760), (48, 5456520), (54, 4850240), (60, 4365216), (64, 4092390), (69, 3795840), (72, 3637680), (80, 3273912), (90, 2910144), (92, 2846880), (96, 2728260), (108, 2425120), (115, 2277504), (120, 2182608), (128, 2046195), (135, 1940096), (138, 1897920), (144, 1818840), (160, 1636956), (180, 1455072), (184, 1423440), (192, 1364130), (207, 1265280), (216, 1212560), (230, 1138752), (240, 1091304), (270, 970048), (276, 948960), (288, 909420), (320, 818478), (345, 759168), (360, 727536), (368, 711720), (384, 682065), (414, 632640), (432, 606280), (460, 569376), (480, 545652), (540, 485024), (552, 474480), (576, 454710), (621, 421760), (640, 409239), (659, 397440), (690, 379584), (720, 363768), (736, 355860), (828, 316320), (864, 303140), (920, 284688), (960, 272826), (1035, 253056), (1080, 242512), (1104, 237240), (1152, 227355), (1242, 210880), (1318, 198720), (1380, 189792), (1440, 181884), (1472, 177930), (1656, 158160), (1728, 151570), (1840, 142344), (1920, 136413), (1977, 132480), (2070, 126528), (2160, 121256), (2208, 118620), (2484, 105440), (2636, 99360), (2760, 94896), (2880, 90942), (2944, 88965), (3105, 84352), (3295, 79488), (3312, 79080), (3456, 75785), (3680, 71172), (3954, 66240), (4140, 63264), (4320, 60628), (4416, 59310), (4968, 52720), (5272, 49680), (5520, 47448), (5760, 45471), (5931, 44160), (6210, 42176), (6590, 39744), (6624, 39540), (7360, 35586), (7908, 33120), (8280, 31632), (8640, 30314), (8832, 29655), (9885, 26496), (9936, 26360), (10544, 24840), (11040, 23724), (11862, 22080), (12420, 21088), (13180, 19872), (13248, 19770), (14720, 17793), (15157, 17280), (15816, 16560)]