639671040

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:336

約数の個数: 288

約数和(自身を含む): 2307594240

約数和(自身を除く): 1667923200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 83, 90, 96, 108, 120, 128, 135, 144, 160, 166, 180, 192, 216, 223, 240, 249, 256, 270, 288, 320, 332, 360, 384, 415, 432, 446, 480, 498, 540, 576, 640, 664, 669, 720, 747, 768, 830, 864, 892, 960, 996, 1080, 1115, 1152, 1245, 1280, 1328, 1338, 1440, 1494, 1660, 1728, 1784, 1920, 1992, 2007, 2160, 2230, 2241, 2304, 2490, 2656, 2676, 2880, 2988, 3320, 3345, 3456, 3568, 3735, 3840, 3984, 4014, 4320, 4460, 4482, 4980, 5312, 5352, 5760, 5976, 6021, 6640, 6690, 6912, 7136, 7470, 7968, 8028, 8640, 8920, 8964, 9960, 10035, 10624, 10704, 11205, 11520, 11952, 12042, 13280, 13380, 14272, 14940, 15936, 16056, 17280, 17840, 17928, 18509, 19920, 20070, 21248, 21408, 22410, 23904, 24084, 26560, 26760, 28544, 29880, 30105, 31872, 32112, 34560, 35680, 35856, 37018, 39840, 40140, 42816, 44820, 47808, 48168, 53120, 53520, 55527, 57088, 59760, 60210, 63744, 64224, 71360, 71712, 74036, 79680, 80280, 85632, 89640, 92545, 95616, 96336, 106240, 107040, 111054, 119520, 120420, 128448, 142720, 143424, 148072, 159360, 160560, 166581, 171264, 179280, 185090, 191232, 192672, 214080, 222108, 239040, 240840, 256896, 277635, 285440, 286848, 296144, 318720, 321120, 333162, 358560, 370180, 385344, 428160, 444216, 478080, 481680, 499743, 513792, 555270, 573696, 592288, 642240, 666324, 717120, 740360, 770688, 832905, 856320, 888432, 956160, 963360, 999486, 1110540, 1184576, 1284480, 1332648, 1434240, 1480720, 1541376, 1665810, 1776864, 1926720, 1998972, 2221080, 2369152, 2498715, 2568960, 2665296, 2868480, 2961440, 3331620, 3553728, 3853440, 3997944, 4442160, 4738304, 4997430, 5330592, 5922880, 6663240, 7107456, 7706880, 7995888, 8884320, 9994860, 10661184, 11845760, 13326480, 14214912, 15991776, 17768640, 19989720, 21322368, 23691520, 26652960, 31983552, 35537280, 39979440, 42644736, 53305920, 63967104, 71074560, 79958880, 106611840, 127934208, 159917760, 213223680, 319835520, 639671040]

約数ペア:

[(1, 639671040), (2, 319835520), (3, 213223680), (4, 159917760), (5, 127934208), (6, 106611840), (8, 79958880), (9, 71074560), (10, 63967104), (12, 53305920), (15, 42644736), (16, 39979440), (18, 35537280), (20, 31983552), (24, 26652960), (27, 23691520), (30, 21322368), (32, 19989720), (36, 17768640), (40, 15991776), (45, 14214912), (48, 13326480), (54, 11845760), (60, 10661184), (64, 9994860), (72, 8884320), (80, 7995888), (83, 7706880), (90, 7107456), (96, 6663240), (108, 5922880), (120, 5330592), (128, 4997430), (135, 4738304), (144, 4442160), (160, 3997944), (166, 3853440), (180, 3553728), (192, 3331620), (216, 2961440), (223, 2868480), (240, 2665296), (249, 2568960), (256, 2498715), (270, 2369152), (288, 2221080), (320, 1998972), (332, 1926720), (360, 1776864), (384, 1665810), (415, 1541376), (432, 1480720), (446, 1434240), (480, 1332648), (498, 1284480), (540, 1184576), (576, 1110540), (640, 999486), (664, 963360), (669, 956160), (720, 888432), (747, 856320), (768, 832905), (830, 770688), (864, 740360), (892, 717120), (960, 666324), (996, 642240), (1080, 592288), (1115, 573696), (1152, 555270), (1245, 513792), (1280, 499743), (1328, 481680), (1338, 478080), (1440, 444216), (1494, 428160), (1660, 385344), (1728, 370180), (1784, 358560), (1920, 333162), (1992, 321120), (2007, 318720), (2160, 296144), (2230, 286848), (2241, 285440), (2304, 277635), (2490, 256896), (2656, 240840), (2676, 239040), (2880, 222108), (2988, 214080), (3320, 192672), (3345, 191232), (3456, 185090), (3568, 179280), (3735, 171264), (3840, 166581), (3984, 160560), (4014, 159360), (4320, 148072), (4460, 143424), (4482, 142720), (4980, 128448), (5312, 120420), (5352, 119520), (5760, 111054), (5976, 107040), (6021, 106240), (6640, 96336), (6690, 95616), (6912, 92545), (7136, 89640), (7470, 85632), (7968, 80280), (8028, 79680), (8640, 74036), (8920, 71712), (8964, 71360), (9960, 64224), (10035, 63744), (10624, 60210), (10704, 59760), (11205, 57088), (11520, 55527), (11952, 53520), (12042, 53120), (13280, 48168), (13380, 47808), (14272, 44820), (14940, 42816), (15936, 40140), (16056, 39840), (17280, 37018), (17840, 35856), (17928, 35680), (18509, 34560), (19920, 32112), (20070, 31872), (21248, 30105), (21408, 29880), (22410, 28544), (23904, 26760), (24084, 26560)]