261024480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1663}}^1$

素因数の和:1793

約数の個数: 144

約数和(自身を含む): 899458560

約数和(自身を除く): 638434080

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, 72, 80, 90, 96, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 436, 480, 545, 654, 720, 872, 981, 1090, 1308, 1440, 1635, 1663, 1744, 1962, 2180, 2616, 3270, 3326, 3488, 3924, 4360, 4905, 4989, 5232, 6540, 6652, 7848, 8315, 8720, 9810, 9978, 10464, 13080, 13304, 14967, 15696, 16630, 17440, 19620, 19956, 24945, 26160, 26608, 29934, 31392, 33260, 39240, 39912, 49890, 52320, 53216, 59868, 66520, 74835, 78480, 79824, 99780, 119736, 133040, 149670, 156960, 159648, 181267, 199560, 239472, 266080, 299340, 362534, 399120, 478944, 543801, 598680, 725068, 798240, 906335, 1087602, 1197360, 1450136, 1631403, 1812670, 2175204, 2394720, 2719005, 2900272, 3262806, 3625340, 4350408, 5438010, 5800544, 6525612, 7250680, 8157015, 8700816, 10876020, 13051224, 14501360, 16314030, 17401632, 21752040, 26102448, 29002720, 32628060, 43504080, 52204896, 65256120, 87008160, 130512240, 261024480]

約数ペア:

[(1, 261024480), (2, 130512240), (3, 87008160), (4, 65256120), (5, 52204896), (6, 43504080), (8, 32628060), (9, 29002720), (10, 26102448), (12, 21752040), (15, 17401632), (16, 16314030), (18, 14501360), (20, 13051224), (24, 10876020), (30, 8700816), (32, 8157015), (36, 7250680), (40, 6525612), (45, 5800544), (48, 5438010), (60, 4350408), (72, 3625340), (80, 3262806), (90, 2900272), (96, 2719005), (109, 2394720), (120, 2175204), (144, 1812670), (160, 1631403), (180, 1450136), (218, 1197360), (240, 1087602), (288, 906335), (327, 798240), (360, 725068), (436, 598680), (480, 543801), (545, 478944), (654, 399120), (720, 362534), (872, 299340), (981, 266080), (1090, 239472), (1308, 199560), (1440, 181267), (1635, 159648), (1663, 156960), (1744, 149670), (1962, 133040), (2180, 119736), (2616, 99780), (3270, 79824), (3326, 78480), (3488, 74835), (3924, 66520), (4360, 59868), (4905, 53216), (4989, 52320), (5232, 49890), (6540, 39912), (6652, 39240), (7848, 33260), (8315, 31392), (8720, 29934), (9810, 26608), (9978, 26160), (10464, 24945), (13080, 19956), (13304, 19620), (14967, 17440), (15696, 16630)]