305921280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:649

約数の個数: 288

約数和(自身を含む): 1177344000

約数和(自身を除く): 871422720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 256, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 448, 456, 480, 532, 560, 570, 599, 608, 640, 665, 672, 760, 768, 798, 840, 896, 912, 960, 1064, 1120, 1140, 1198, 1216, 1280, 1330, 1344, 1520, 1596, 1680, 1792, 1797, 1824, 1920, 1995, 2128, 2240, 2280, 2396, 2432, 2660, 2688, 2995, 3040, 3192, 3360, 3594, 3648, 3840, 3990, 4193, 4256, 4480, 4560, 4792, 4864, 5320, 5376, 5990, 6080, 6384, 6720, 7188, 7296, 7980, 8386, 8512, 8960, 8985, 9120, 9584, 10640, 11381, 11980, 12160, 12579, 12768, 13440, 14376, 14592, 15960, 16772, 17024, 17970, 18240, 19168, 20965, 21280, 22762, 23960, 24320, 25158, 25536, 26880, 28752, 31920, 33544, 34048, 34143, 35940, 36480, 38336, 41930, 42560, 45524, 47920, 50316, 51072, 56905, 57504, 62895, 63840, 67088, 68286, 71880, 72960, 76672, 79667, 83860, 85120, 91048, 95840, 100632, 102144, 113810, 115008, 125790, 127680, 134176, 136572, 143760, 153344, 159334, 167720, 170240, 170715, 182096, 191680, 201264, 227620, 230016, 239001, 251580, 255360, 268352, 273144, 287520, 318668, 335440, 341430, 364192, 383360, 398335, 402528, 455240, 460032, 478002, 503160, 510720, 536704, 546288, 575040, 637336, 670880, 682860, 728384, 766720, 796670, 805056, 910480, 956004, 1006320, 1073408, 1092576, 1150080, 1195005, 1274672, 1341760, 1365720, 1456768, 1593340, 1610112, 1820960, 1912008, 2012640, 2185152, 2300160, 2390010, 2549344, 2683520, 2731440, 2913536, 3186680, 3220224, 3641920, 3824016, 4025280, 4370304, 4780020, 5098688, 5367040, 5462880, 6373360, 7283840, 7648032, 8050560, 8740608, 9560040, 10197376, 10925760, 12746720, 14567680, 15296064, 16101120, 19120080, 20394752, 21851520, 25493440, 30592128, 38240160, 43703040, 50986880, 61184256, 76480320, 101973760, 152960640, 305921280]

約数ペア:

[(1, 305921280), (2, 152960640), (3, 101973760), (4, 76480320), (5, 61184256), (6, 50986880), (7, 43703040), (8, 38240160), (10, 30592128), (12, 25493440), (14, 21851520), (15, 20394752), (16, 19120080), (19, 16101120), (20, 15296064), (21, 14567680), (24, 12746720), (28, 10925760), (30, 10197376), (32, 9560040), (35, 8740608), (38, 8050560), (40, 7648032), (42, 7283840), (48, 6373360), (56, 5462880), (57, 5367040), (60, 5098688), (64, 4780020), (70, 4370304), (76, 4025280), (80, 3824016), (84, 3641920), (95, 3220224), (96, 3186680), (105, 2913536), (112, 2731440), (114, 2683520), (120, 2549344), (128, 2390010), (133, 2300160), (140, 2185152), (152, 2012640), (160, 1912008), (168, 1820960), (190, 1610112), (192, 1593340), (210, 1456768), (224, 1365720), (228, 1341760), (240, 1274672), (256, 1195005), (266, 1150080), (280, 1092576), (285, 1073408), (304, 1006320), (320, 956004), (336, 910480), (380, 805056), (384, 796670), (399, 766720), (420, 728384), (448, 682860), (456, 670880), (480, 637336), (532, 575040), (560, 546288), (570, 536704), (599, 510720), (608, 503160), (640, 478002), (665, 460032), (672, 455240), (760, 402528), (768, 398335), (798, 383360), (840, 364192), (896, 341430), (912, 335440), (960, 318668), (1064, 287520), (1120, 273144), (1140, 268352), (1198, 255360), (1216, 251580), (1280, 239001), (1330, 230016), (1344, 227620), (1520, 201264), (1596, 191680), (1680, 182096), (1792, 170715), (1797, 170240), (1824, 167720), (1920, 159334), (1995, 153344), (2128, 143760), (2240, 136572), (2280, 134176), (2396, 127680), (2432, 125790), (2660, 115008), (2688, 113810), (2995, 102144), (3040, 100632), (3192, 95840), (3360, 91048), (3594, 85120), (3648, 83860), (3840, 79667), (3990, 76672), (4193, 72960), (4256, 71880), (4480, 68286), (4560, 67088), (4792, 63840), (4864, 62895), (5320, 57504), (5376, 56905), (5990, 51072), (6080, 50316), (6384, 47920), (6720, 45524), (7188, 42560), (7296, 41930), (7980, 38336), (8386, 36480), (8512, 35940), (8960, 34143), (8985, 34048), (9120, 33544), (9584, 31920), (10640, 28752), (11381, 26880), (11980, 25536), (12160, 25158), (12579, 24320), (12768, 23960), (13440, 22762), (14376, 21280), (14592, 20965), (15960, 19168), (16772, 18240), (17024, 17970)]