78642720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4201}}^1$

素因数の和:4235

約数の個数: 144

約数和(自身を含む): 289080792

約数和(自身を除く): 210438072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4201, 4680, 6240, 8402, 9360, 12603, 16804, 18720, 21005, 25206, 33608, 37809, 42010, 50412, 54613, 63015, 67216, 75618, 84020, 100824, 109226, 126030, 134432, 151236, 163839, 168040, 189045, 201648, 218452, 252060, 273065, 302472, 327678, 336080, 378090, 403296, 436904, 491517, 504120, 546130, 604944, 655356, 672160, 756180, 819195, 873808, 983034, 1008240, 1092260, 1209888, 1310712, 1512360, 1638390, 1747616, 1966068, 2016480, 2184520, 2457585, 2621424, 3024720, 3276780, 3932136, 4369040, 4915170, 5242848, 6049440, 6553560, 7864272, 8738080, 9830340, 13107120, 15728544, 19660680, 26214240, 39321360, 78642720]

約数ペア:

[(1, 78642720), (2, 39321360), (3, 26214240), (4, 19660680), (5, 15728544), (6, 13107120), (8, 9830340), (9, 8738080), (10, 7864272), (12, 6553560), (13, 6049440), (15, 5242848), (16, 4915170), (18, 4369040), (20, 3932136), (24, 3276780), (26, 3024720), (30, 2621424), (32, 2457585), (36, 2184520), (39, 2016480), (40, 1966068), (45, 1747616), (48, 1638390), (52, 1512360), (60, 1310712), (65, 1209888), (72, 1092260), (78, 1008240), (80, 983034), (90, 873808), (96, 819195), (104, 756180), (117, 672160), (120, 655356), (130, 604944), (144, 546130), (156, 504120), (160, 491517), (180, 436904), (195, 403296), (208, 378090), (234, 336080), (240, 327678), (260, 302472), (288, 273065), (312, 252060), (360, 218452), (390, 201648), (416, 189045), (468, 168040), (480, 163839), (520, 151236), (585, 134432), (624, 126030), (720, 109226), (780, 100824), (936, 84020), (1040, 75618), (1170, 67216), (1248, 63015), (1440, 54613), (1560, 50412), (1872, 42010), (2080, 37809), (2340, 33608), (3120, 25206), (3744, 21005), (4201, 18720), (4680, 16804), (6240, 12603), (8402, 9360)]