261265680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 240

約数和(自身を含む): 957605376

約数和(自身を除く): 696339696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 103, 104, 117, 120, 130, 144, 156, 180, 195, 206, 208, 234, 240, 260, 271, 309, 312, 360, 390, 412, 468, 515, 520, 542, 585, 618, 624, 720, 780, 813, 824, 927, 936, 1030, 1040, 1084, 1170, 1236, 1339, 1355, 1545, 1560, 1626, 1648, 1854, 1872, 2060, 2168, 2340, 2439, 2472, 2678, 2710, 3090, 3120, 3252, 3523, 3708, 4017, 4065, 4120, 4336, 4635, 4680, 4878, 4944, 5356, 5420, 6180, 6504, 6695, 7046, 7416, 8034, 8130, 8240, 9270, 9360, 9756, 10569, 10712, 10840, 12051, 12195, 12360, 13008, 13390, 14092, 14832, 16068, 16260, 17615, 18540, 19512, 20085, 21138, 21424, 21680, 24102, 24390, 24720, 26780, 27913, 28184, 31707, 32136, 32520, 35230, 37080, 39024, 40170, 42276, 48204, 48780, 52845, 53560, 55826, 56368, 60255, 63414, 64272, 65040, 70460, 74160, 80340, 83739, 84552, 96408, 97560, 105690, 107120, 111652, 120510, 126828, 139565, 140920, 158535, 160680, 167478, 169104, 192816, 195120, 211380, 223304, 241020, 251217, 253656, 279130, 281840, 317070, 321360, 334956, 362869, 418695, 422760, 446608, 482040, 502434, 507312, 558260, 634140, 669912, 725738, 837390, 845520, 964080, 1004868, 1088607, 1116520, 1256085, 1268280, 1339824, 1451476, 1674780, 1814345, 2009736, 2177214, 2233040, 2512170, 2536560, 2902952, 3265821, 3349560, 3628690, 4019472, 4354428, 5024340, 5443035, 5805904, 6531642, 6699120, 7257380, 8708856, 10048680, 10886070, 13063284, 14514760, 16329105, 17417712, 20097360, 21772140, 26126568, 29029520, 32658210, 43544280, 52253136, 65316420, 87088560, 130632840, 261265680]

約数ペア:

[(1, 261265680), (2, 130632840), (3, 87088560), (4, 65316420), (5, 52253136), (6, 43544280), (8, 32658210), (9, 29029520), (10, 26126568), (12, 21772140), (13, 20097360), (15, 17417712), (16, 16329105), (18, 14514760), (20, 13063284), (24, 10886070), (26, 10048680), (30, 8708856), (36, 7257380), (39, 6699120), (40, 6531642), (45, 5805904), (48, 5443035), (52, 5024340), (60, 4354428), (65, 4019472), (72, 3628690), (78, 3349560), (80, 3265821), (90, 2902952), (103, 2536560), (104, 2512170), (117, 2233040), (120, 2177214), (130, 2009736), (144, 1814345), (156, 1674780), (180, 1451476), (195, 1339824), (206, 1268280), (208, 1256085), (234, 1116520), (240, 1088607), (260, 1004868), (271, 964080), (309, 845520), (312, 837390), (360, 725738), (390, 669912), (412, 634140), (468, 558260), (515, 507312), (520, 502434), (542, 482040), (585, 446608), (618, 422760), (624, 418695), (720, 362869), (780, 334956), (813, 321360), (824, 317070), (927, 281840), (936, 279130), (1030, 253656), (1040, 251217), (1084, 241020), (1170, 223304), (1236, 211380), (1339, 195120), (1355, 192816), (1545, 169104), (1560, 167478), (1626, 160680), (1648, 158535), (1854, 140920), (1872, 139565), (2060, 126828), (2168, 120510), (2340, 111652), (2439, 107120), (2472, 105690), (2678, 97560), (2710, 96408), (3090, 84552), (3120, 83739), (3252, 80340), (3523, 74160), (3708, 70460), (4017, 65040), (4065, 64272), (4120, 63414), (4336, 60255), (4635, 56368), (4680, 55826), (4878, 53560), (4944, 52845), (5356, 48780), (5420, 48204), (6180, 42276), (6504, 40170), (6695, 39024), (7046, 37080), (7416, 35230), (8034, 32520), (8130, 32136), (8240, 31707), (9270, 28184), (9360, 27913), (9756, 26780), (10569, 24720), (10712, 24390), (10840, 24102), (12051, 21680), (12195, 21424), (12360, 21138), (13008, 20085), (13390, 19512), (14092, 18540), (14832, 17615), (16068, 16260)]