1255321440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:574

約数の個数: 288

約数和(自身を含む): 4504211712

約数和(自身を除く): 3248890272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 61, 62, 72, 80, 90, 93, 96, 120, 122, 124, 144, 155, 160, 180, 183, 186, 240, 244, 248, 279, 288, 305, 310, 360, 366, 372, 461, 465, 480, 488, 496, 549, 558, 610, 620, 720, 732, 744, 915, 922, 930, 976, 992, 1098, 1116, 1220, 1240, 1383, 1395, 1440, 1464, 1488, 1830, 1844, 1860, 1891, 1952, 2196, 2232, 2305, 2440, 2480, 2745, 2766, 2790, 2928, 2976, 3660, 3688, 3720, 3782, 4149, 4392, 4464, 4610, 4880, 4960, 5490, 5532, 5580, 5673, 5856, 6915, 7320, 7376, 7440, 7564, 8298, 8784, 8928, 9220, 9455, 9760, 10980, 11064, 11160, 11346, 13830, 14291, 14640, 14752, 14880, 15128, 16596, 17019, 17568, 18440, 18910, 20745, 21960, 22128, 22320, 22692, 27660, 28121, 28365, 28582, 29280, 30256, 33192, 34038, 36880, 37820, 41490, 42873, 43920, 44256, 44640, 45384, 55320, 56242, 56730, 57164, 60512, 66384, 68076, 71455, 73760, 75640, 82980, 84363, 85095, 85746, 87840, 90768, 110640, 112484, 113460, 114328, 128619, 132768, 136152, 140605, 142910, 151280, 165960, 168726, 170190, 171492, 181536, 214365, 221280, 224968, 226920, 228656, 253089, 257238, 272304, 281210, 285820, 302560, 331920, 337452, 340380, 342984, 421815, 428730, 449936, 453840, 457312, 506178, 514476, 544608, 562420, 571640, 643095, 663840, 674904, 680760, 685968, 843630, 857460, 871751, 899872, 907680, 1012356, 1028952, 1124840, 1143280, 1265445, 1286190, 1349808, 1361520, 1371936, 1687260, 1714920, 1743502, 2024712, 2057904, 2249680, 2286560, 2530890, 2572380, 2615253, 2699616, 2723040, 3374520, 3429840, 3487004, 4049424, 4115808, 4358755, 4499360, 5061780, 5144760, 5230506, 6749040, 6859680, 6974008, 7845759, 8098848, 8717510, 10123560, 10289520, 10461012, 13076265, 13498080, 13948016, 15691518, 17435020, 20247120, 20579040, 20922024, 26152530, 27896032, 31383036, 34870040, 39228795, 40494240, 41844048, 52305060, 62766072, 69740080, 78457590, 83688096, 104610120, 125532144, 139480160, 156915180, 209220240, 251064288, 313830360, 418440480, 627660720, 1255321440]

約数ペア:

[(1, 1255321440), (2, 627660720), (3, 418440480), (4, 313830360), (5, 251064288), (6, 209220240), (8, 156915180), (9, 139480160), (10, 125532144), (12, 104610120), (15, 83688096), (16, 78457590), (18, 69740080), (20, 62766072), (24, 52305060), (30, 41844048), (31, 40494240), (32, 39228795), (36, 34870040), (40, 31383036), (45, 27896032), (48, 26152530), (60, 20922024), (61, 20579040), (62, 20247120), (72, 17435020), (80, 15691518), (90, 13948016), (93, 13498080), (96, 13076265), (120, 10461012), (122, 10289520), (124, 10123560), (144, 8717510), (155, 8098848), (160, 7845759), (180, 6974008), (183, 6859680), (186, 6749040), (240, 5230506), (244, 5144760), (248, 5061780), (279, 4499360), (288, 4358755), (305, 4115808), (310, 4049424), (360, 3487004), (366, 3429840), (372, 3374520), (461, 2723040), (465, 2699616), (480, 2615253), (488, 2572380), (496, 2530890), (549, 2286560), (558, 2249680), (610, 2057904), (620, 2024712), (720, 1743502), (732, 1714920), (744, 1687260), (915, 1371936), (922, 1361520), (930, 1349808), (976, 1286190), (992, 1265445), (1098, 1143280), (1116, 1124840), (1220, 1028952), (1240, 1012356), (1383, 907680), (1395, 899872), (1440, 871751), (1464, 857460), (1488, 843630), (1830, 685968), (1844, 680760), (1860, 674904), (1891, 663840), (1952, 643095), (2196, 571640), (2232, 562420), (2305, 544608), (2440, 514476), (2480, 506178), (2745, 457312), (2766, 453840), (2790, 449936), (2928, 428730), (2976, 421815), (3660, 342984), (3688, 340380), (3720, 337452), (3782, 331920), (4149, 302560), (4392, 285820), (4464, 281210), (4610, 272304), (4880, 257238), (4960, 253089), (5490, 228656), (5532, 226920), (5580, 224968), (5673, 221280), (5856, 214365), (6915, 181536), (7320, 171492), (7376, 170190), (7440, 168726), (7564, 165960), (8298, 151280), (8784, 142910), (8928, 140605), (9220, 136152), (9455, 132768), (9760, 128619), (10980, 114328), (11064, 113460), (11160, 112484), (11346, 110640), (13830, 90768), (14291, 87840), (14640, 85746), (14752, 85095), (14880, 84363), (15128, 82980), (16596, 75640), (17019, 73760), (17568, 71455), (18440, 68076), (18910, 66384), (20745, 60512), (21960, 57164), (22128, 56730), (22320, 56242), (22692, 55320), (27660, 45384), (28121, 44640), (28365, 44256), (28582, 43920), (29280, 42873), (30256, 41490), (33192, 37820), (34038, 36880)]