644549760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{353}}^1$

素因数の和:695

約数の個数: 192

約数和(自身を含む): 2239057080

約数和(自身を除く): 1594507320

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, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 317, 320, 353, 360, 384, 480, 576, 634, 640, 706, 720, 951, 960, 1059, 1152, 1268, 1412, 1440, 1585, 1765, 1902, 1920, 2118, 2536, 2824, 2853, 2880, 3170, 3177, 3530, 3804, 4236, 4755, 5072, 5295, 5648, 5706, 5760, 6340, 6354, 7060, 7608, 8472, 9510, 10144, 10590, 11296, 11412, 12680, 12708, 14120, 14265, 15216, 15885, 16944, 19020, 20288, 21180, 22592, 22824, 25360, 25416, 28240, 28530, 30432, 31770, 33888, 38040, 40576, 42360, 45184, 45648, 50720, 50832, 56480, 57060, 60864, 63540, 67776, 76080, 84720, 91296, 101440, 101664, 111901, 112960, 114120, 121728, 127080, 135552, 152160, 169440, 182592, 202880, 203328, 223802, 225920, 228240, 254160, 304320, 335703, 338880, 365184, 406656, 447604, 456480, 508320, 559505, 608640, 671406, 677760, 895208, 912960, 1007109, 1016640, 1119010, 1342812, 1678515, 1790416, 1825920, 2014218, 2033280, 2238020, 2685624, 3357030, 3580832, 4028436, 4476040, 5035545, 5371248, 6714060, 7161664, 8056872, 8952080, 10071090, 10742496, 13428120, 14323328, 16113744, 17904160, 20142180, 21484992, 26856240, 32227488, 35808320, 40284360, 42969984, 53712480, 64454976, 71616640, 80568720, 107424960, 128909952, 161137440, 214849920, 322274880, 644549760]

約数ペア:

[(1, 644549760), (2, 322274880), (3, 214849920), (4, 161137440), (5, 128909952), (6, 107424960), (8, 80568720), (9, 71616640), (10, 64454976), (12, 53712480), (15, 42969984), (16, 40284360), (18, 35808320), (20, 32227488), (24, 26856240), (30, 21484992), (32, 20142180), (36, 17904160), (40, 16113744), (45, 14323328), (48, 13428120), (60, 10742496), (64, 10071090), (72, 8952080), (80, 8056872), (90, 7161664), (96, 6714060), (120, 5371248), (128, 5035545), (144, 4476040), (160, 4028436), (180, 3580832), (192, 3357030), (240, 2685624), (288, 2238020), (317, 2033280), (320, 2014218), (353, 1825920), (360, 1790416), (384, 1678515), (480, 1342812), (576, 1119010), (634, 1016640), (640, 1007109), (706, 912960), (720, 895208), (951, 677760), (960, 671406), (1059, 608640), (1152, 559505), (1268, 508320), (1412, 456480), (1440, 447604), (1585, 406656), (1765, 365184), (1902, 338880), (1920, 335703), (2118, 304320), (2536, 254160), (2824, 228240), (2853, 225920), (2880, 223802), (3170, 203328), (3177, 202880), (3530, 182592), (3804, 169440), (4236, 152160), (4755, 135552), (5072, 127080), (5295, 121728), (5648, 114120), (5706, 112960), (5760, 111901), (6340, 101664), (6354, 101440), (7060, 91296), (7608, 84720), (8472, 76080), (9510, 67776), (10144, 63540), (10590, 60864), (11296, 57060), (11412, 56480), (12680, 50832), (12708, 50720), (14120, 45648), (14265, 45184), (15216, 42360), (15885, 40576), (16944, 38040), (19020, 33888), (20288, 31770), (21180, 30432), (22592, 28530), (22824, 28240), (25360, 25416)]