644327040

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:471

約数の個数: 256

約数和(自身を含む): 2368880640

約数和(自身を除く): 1724553600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 191, 192, 210, 224, 240, 251, 280, 320, 336, 382, 384, 420, 448, 480, 502, 560, 573, 640, 672, 753, 764, 840, 896, 955, 960, 1004, 1120, 1146, 1255, 1337, 1344, 1506, 1528, 1680, 1757, 1910, 1920, 2008, 2240, 2292, 2510, 2674, 2688, 2865, 3012, 3056, 3360, 3514, 3765, 3820, 4011, 4016, 4480, 4584, 5020, 5271, 5348, 5730, 6024, 6112, 6685, 6720, 7028, 7530, 7640, 8022, 8032, 8785, 9168, 10040, 10542, 10696, 11460, 12048, 12224, 13370, 13440, 14056, 15060, 15280, 16044, 16064, 17570, 18336, 20055, 20080, 21084, 21392, 22920, 24096, 24448, 26355, 26740, 28112, 30120, 30560, 32088, 32128, 35140, 36672, 40110, 40160, 42168, 42784, 45840, 47941, 48192, 52710, 53480, 56224, 60240, 61120, 64176, 70280, 73344, 80220, 80320, 84336, 85568, 91680, 95882, 96384, 105420, 106960, 112448, 120480, 122240, 128352, 140560, 143823, 160440, 160640, 168672, 171136, 183360, 191764, 210840, 213920, 224896, 239705, 240960, 256704, 281120, 287646, 320880, 335587, 337344, 366720, 383528, 421680, 427840, 479410, 481920, 513408, 562240, 575292, 641760, 671174, 674688, 719115, 767056, 843360, 855680, 958820, 1006761, 1124480, 1150584, 1283520, 1342348, 1438230, 1534112, 1677935, 1686720, 1917640, 2013522, 2301168, 2567040, 2684696, 2876460, 3068224, 3355870, 3373440, 3835280, 4027044, 4602336, 5033805, 5369392, 5752920, 6136448, 6711740, 7670560, 8054088, 9204672, 10067610, 10738784, 11505840, 13423480, 15341120, 16108176, 18409344, 20135220, 21477568, 23011680, 26846960, 30682240, 32216352, 40270440, 42955136, 46023360, 53693920, 64432704, 80540880, 92046720, 107387840, 128865408, 161081760, 214775680, 322163520, 644327040]

約数ペア:

[(1, 644327040), (2, 322163520), (3, 214775680), (4, 161081760), (5, 128865408), (6, 107387840), (7, 92046720), (8, 80540880), (10, 64432704), (12, 53693920), (14, 46023360), (15, 42955136), (16, 40270440), (20, 32216352), (21, 30682240), (24, 26846960), (28, 23011680), (30, 21477568), (32, 20135220), (35, 18409344), (40, 16108176), (42, 15341120), (48, 13423480), (56, 11505840), (60, 10738784), (64, 10067610), (70, 9204672), (80, 8054088), (84, 7670560), (96, 6711740), (105, 6136448), (112, 5752920), (120, 5369392), (128, 5033805), (140, 4602336), (160, 4027044), (168, 3835280), (191, 3373440), (192, 3355870), (210, 3068224), (224, 2876460), (240, 2684696), (251, 2567040), (280, 2301168), (320, 2013522), (336, 1917640), (382, 1686720), (384, 1677935), (420, 1534112), (448, 1438230), (480, 1342348), (502, 1283520), (560, 1150584), (573, 1124480), (640, 1006761), (672, 958820), (753, 855680), (764, 843360), (840, 767056), (896, 719115), (955, 674688), (960, 671174), (1004, 641760), (1120, 575292), (1146, 562240), (1255, 513408), (1337, 481920), (1344, 479410), (1506, 427840), (1528, 421680), (1680, 383528), (1757, 366720), (1910, 337344), (1920, 335587), (2008, 320880), (2240, 287646), (2292, 281120), (2510, 256704), (2674, 240960), (2688, 239705), (2865, 224896), (3012, 213920), (3056, 210840), (3360, 191764), (3514, 183360), (3765, 171136), (3820, 168672), (4011, 160640), (4016, 160440), (4480, 143823), (4584, 140560), (5020, 128352), (5271, 122240), (5348, 120480), (5730, 112448), (6024, 106960), (6112, 105420), (6685, 96384), (6720, 95882), (7028, 91680), (7530, 85568), (7640, 84336), (8022, 80320), (8032, 80220), (8785, 73344), (9168, 70280), (10040, 64176), (10542, 61120), (10696, 60240), (11460, 56224), (12048, 53480), (12224, 52710), (13370, 48192), (13440, 47941), (14056, 45840), (15060, 42784), (15280, 42168), (16044, 40160), (16064, 40110), (17570, 36672), (18336, 35140), (20055, 32128), (20080, 32088), (21084, 30560), (21392, 30120), (22920, 28112), (24096, 26740), (24448, 26355)]