261509760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:655

約数の個数: 192

約数和(自身を含む): 915576480

約数和(自身を除く): 654066720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 83, 90, 96, 120, 128, 144, 160, 166, 180, 192, 240, 249, 288, 320, 332, 360, 384, 415, 480, 498, 547, 576, 640, 664, 720, 747, 830, 960, 996, 1094, 1152, 1245, 1328, 1440, 1494, 1641, 1660, 1920, 1992, 2188, 2490, 2656, 2735, 2880, 2988, 3282, 3320, 3735, 3984, 4376, 4923, 4980, 5312, 5470, 5760, 5976, 6564, 6640, 7470, 7968, 8205, 8752, 9846, 9960, 10624, 10940, 11952, 13128, 13280, 14940, 15936, 16410, 17504, 19692, 19920, 21880, 23904, 24615, 26256, 26560, 29880, 31872, 32820, 35008, 39384, 39840, 43760, 45401, 47808, 49230, 52512, 53120, 59760, 65640, 70016, 78768, 79680, 87520, 90802, 95616, 98460, 105024, 119520, 131280, 136203, 157536, 159360, 175040, 181604, 196920, 210048, 227005, 239040, 262560, 272406, 315072, 350080, 363208, 393840, 408609, 454010, 478080, 525120, 544812, 630144, 681015, 726416, 787680, 817218, 908020, 1050240, 1089624, 1362030, 1452832, 1575360, 1634436, 1816040, 2043045, 2179248, 2724060, 2905664, 3150720, 3268872, 3632080, 4086090, 4358496, 5448120, 5811328, 6537744, 7264160, 8172180, 8716992, 10896240, 13075488, 14528320, 16344360, 17433984, 21792480, 26150976, 29056640, 32688720, 43584960, 52301952, 65377440, 87169920, 130754880, 261509760]

約数ペア:

[(1, 261509760), (2, 130754880), (3, 87169920), (4, 65377440), (5, 52301952), (6, 43584960), (8, 32688720), (9, 29056640), (10, 26150976), (12, 21792480), (15, 17433984), (16, 16344360), (18, 14528320), (20, 13075488), (24, 10896240), (30, 8716992), (32, 8172180), (36, 7264160), (40, 6537744), (45, 5811328), (48, 5448120), (60, 4358496), (64, 4086090), (72, 3632080), (80, 3268872), (83, 3150720), (90, 2905664), (96, 2724060), (120, 2179248), (128, 2043045), (144, 1816040), (160, 1634436), (166, 1575360), (180, 1452832), (192, 1362030), (240, 1089624), (249, 1050240), (288, 908020), (320, 817218), (332, 787680), (360, 726416), (384, 681015), (415, 630144), (480, 544812), (498, 525120), (547, 478080), (576, 454010), (640, 408609), (664, 393840), (720, 363208), (747, 350080), (830, 315072), (960, 272406), (996, 262560), (1094, 239040), (1152, 227005), (1245, 210048), (1328, 196920), (1440, 181604), (1494, 175040), (1641, 159360), (1660, 157536), (1920, 136203), (1992, 131280), (2188, 119520), (2490, 105024), (2656, 98460), (2735, 95616), (2880, 90802), (2988, 87520), (3282, 79680), (3320, 78768), (3735, 70016), (3984, 65640), (4376, 59760), (4923, 53120), (4980, 52512), (5312, 49230), (5470, 47808), (5760, 45401), (5976, 43760), (6564, 39840), (6640, 39384), (7470, 35008), (7968, 32820), (8205, 31872), (8752, 29880), (9846, 26560), (9960, 26256), (10624, 24615), (10940, 23904), (11952, 21880), (13128, 19920), (13280, 19692), (14940, 17504), (15936, 16410)]