640103040

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2179}}^1$

素因数の和:2224

約数の個数: 256

約数和(自身を含む): 2401488000

約数和(自身を除く): 1761384960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2179, 2295, 2448, 2720, 2880, 3060, 3264, 3456, 3672, 4080, 4320, 4358, 4590, 4896, 5440, 5760, 6120, 6528, 6537, 7344, 8160, 8640, 8716, 9180, 9792, 10880, 10895, 12240, 13074, 14688, 16320, 17280, 17432, 18360, 19584, 19611, 21790, 24480, 26148, 29376, 32640, 32685, 34864, 36720, 37043, 39222, 43580, 48960, 52296, 58752, 58833, 65370, 69728, 73440, 74086, 78444, 87160, 97920, 98055, 104592, 111129, 117666, 130740, 139456, 146880, 148172, 156888, 174320, 185215, 196110, 209184, 222258, 235332, 261480, 278912, 293760, 294165, 296344, 313776, 333387, 348640, 370430, 392220, 418368, 444516, 470664, 522960, 555645, 588330, 592688, 627552, 666774, 697280, 740860, 784440, 836736, 889032, 941328, 1000161, 1045920, 1111290, 1176660, 1185376, 1255104, 1333548, 1394560, 1481720, 1568880, 1666935, 1778064, 1882656, 2000322, 2091840, 2222580, 2353320, 2370752, 2510208, 2667096, 2963440, 3137760, 3333870, 3556128, 3765312, 4000644, 4183680, 4445160, 4706640, 4741504, 5000805, 5334192, 5926880, 6275520, 6667740, 7112256, 7530624, 8001288, 8890320, 9413280, 10001610, 10668384, 11853760, 12551040, 13335480, 14224512, 16002576, 17780640, 18826560, 20003220, 21336768, 23707520, 26670960, 32005152, 35561280, 37653120, 40006440, 42673536, 53341920, 64010304, 71122560, 80012880, 106683840, 128020608, 160025760, 213367680, 320051520, 640103040]

約数ペア:

[(1, 640103040), (2, 320051520), (3, 213367680), (4, 160025760), (5, 128020608), (6, 106683840), (8, 80012880), (9, 71122560), (10, 64010304), (12, 53341920), (15, 42673536), (16, 40006440), (17, 37653120), (18, 35561280), (20, 32005152), (24, 26670960), (27, 23707520), (30, 21336768), (32, 20003220), (34, 18826560), (36, 17780640), (40, 16002576), (45, 14224512), (48, 13335480), (51, 12551040), (54, 11853760), (60, 10668384), (64, 10001610), (68, 9413280), (72, 8890320), (80, 8001288), (85, 7530624), (90, 7112256), (96, 6667740), (102, 6275520), (108, 5926880), (120, 5334192), (128, 5000805), (135, 4741504), (136, 4706640), (144, 4445160), (153, 4183680), (160, 4000644), (170, 3765312), (180, 3556128), (192, 3333870), (204, 3137760), (216, 2963440), (240, 2667096), (255, 2510208), (270, 2370752), (272, 2353320), (288, 2222580), (306, 2091840), (320, 2000322), (340, 1882656), (360, 1778064), (384, 1666935), (408, 1568880), (432, 1481720), (459, 1394560), (480, 1333548), (510, 1255104), (540, 1185376), (544, 1176660), (576, 1111290), (612, 1045920), (640, 1000161), (680, 941328), (720, 889032), (765, 836736), (816, 784440), (864, 740860), (918, 697280), (960, 666774), (1020, 627552), (1080, 592688), (1088, 588330), (1152, 555645), (1224, 522960), (1360, 470664), (1440, 444516), (1530, 418368), (1632, 392220), (1728, 370430), (1836, 348640), (1920, 333387), (2040, 313776), (2160, 296344), (2176, 294165), (2179, 293760), (2295, 278912), (2448, 261480), (2720, 235332), (2880, 222258), (3060, 209184), (3264, 196110), (3456, 185215), (3672, 174320), (4080, 156888), (4320, 148172), (4358, 146880), (4590, 139456), (4896, 130740), (5440, 117666), (5760, 111129), (6120, 104592), (6528, 98055), (6537, 97920), (7344, 87160), (8160, 78444), (8640, 74086), (8716, 73440), (9180, 69728), (9792, 65370), (10880, 58833), (10895, 58752), (12240, 52296), (13074, 48960), (14688, 43580), (16320, 39222), (17280, 37043), (17432, 36720), (18360, 34864), (19584, 32685), (19611, 32640), (21790, 29376), (24480, 26148)]