257559840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{467}}^1$

素因数の和:871

約数の個数: 144

約数和(自身を含む): 883104768

約数和(自身を除く): 625544928

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, 120, 144, 160, 180, 240, 288, 360, 383, 467, 480, 720, 766, 934, 1149, 1401, 1440, 1532, 1868, 1915, 2298, 2335, 2802, 3064, 3447, 3736, 3830, 4203, 4596, 4670, 5604, 5745, 6128, 6894, 7005, 7472, 7660, 8406, 9192, 9340, 11208, 11490, 12256, 13788, 14010, 14944, 15320, 16812, 17235, 18384, 18680, 21015, 22416, 22980, 27576, 28020, 30640, 33624, 34470, 36768, 37360, 42030, 44832, 45960, 55152, 56040, 61280, 67248, 68940, 74720, 84060, 91920, 110304, 112080, 134496, 137880, 168120, 178861, 183840, 224160, 275760, 336240, 357722, 536583, 551520, 672480, 715444, 894305, 1073166, 1430888, 1609749, 1788610, 2146332, 2682915, 2861776, 3219498, 3577220, 4292664, 5365830, 5723552, 6438996, 7154440, 8048745, 8585328, 10731660, 12877992, 14308880, 16097490, 17170656, 21463320, 25755984, 28617760, 32194980, 42926640, 51511968, 64389960, 85853280, 128779920, 257559840]

約数ペア:

[(1, 257559840), (2, 128779920), (3, 85853280), (4, 64389960), (5, 51511968), (6, 42926640), (8, 32194980), (9, 28617760), (10, 25755984), (12, 21463320), (15, 17170656), (16, 16097490), (18, 14308880), (20, 12877992), (24, 10731660), (30, 8585328), (32, 8048745), (36, 7154440), (40, 6438996), (45, 5723552), (48, 5365830), (60, 4292664), (72, 3577220), (80, 3219498), (90, 2861776), (96, 2682915), (120, 2146332), (144, 1788610), (160, 1609749), (180, 1430888), (240, 1073166), (288, 894305), (360, 715444), (383, 672480), (467, 551520), (480, 536583), (720, 357722), (766, 336240), (934, 275760), (1149, 224160), (1401, 183840), (1440, 178861), (1532, 168120), (1868, 137880), (1915, 134496), (2298, 112080), (2335, 110304), (2802, 91920), (3064, 84060), (3447, 74720), (3736, 68940), (3830, 67248), (4203, 61280), (4596, 56040), (4670, 55152), (5604, 45960), (5745, 44832), (6128, 42030), (6894, 37360), (7005, 36768), (7472, 34470), (7660, 33624), (8406, 30640), (9192, 28020), (9340, 27576), (11208, 22980), (11490, 22416), (12256, 21015), (13788, 18680), (14010, 18384), (14944, 17235), (15320, 16812)]