256256640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2617}}^1$

素因数の和:2659

約数の個数: 192

約数和(自身を含む): 937296360

約数和(自身を除く): 681039720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 612, 640, 680, 720, 765, 816, 960, 1020, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1920, 2040, 2176, 2448, 2617, 2720, 2880, 3060, 3264, 4080, 4896, 5234, 5440, 5760, 6120, 6528, 7851, 8160, 9792, 10468, 10880, 12240, 13085, 15702, 16320, 19584, 20936, 23553, 24480, 26170, 31404, 32640, 39255, 41872, 44489, 47106, 48960, 52340, 62808, 78510, 83744, 88978, 94212, 97920, 104680, 117765, 125616, 133467, 157020, 167488, 177956, 188424, 209360, 222445, 235530, 251232, 266934, 314040, 334976, 355912, 376848, 400401, 418720, 444890, 471060, 502464, 533868, 628080, 667335, 711824, 753696, 800802, 837440, 889780, 942120, 1004928, 1067736, 1256160, 1334670, 1423648, 1507392, 1601604, 1674880, 1779560, 1884240, 2002005, 2135472, 2512320, 2669340, 2847296, 3014784, 3203208, 3559120, 3768480, 4004010, 4270944, 5024640, 5338680, 5694592, 6406416, 7118240, 7536960, 8008020, 8541888, 10677360, 12812832, 14236480, 15073920, 16016040, 17083776, 21354720, 25625664, 28472960, 32032080, 42709440, 51251328, 64064160, 85418880, 128128320, 256256640]

約数ペア:

[(1, 256256640), (2, 128128320), (3, 85418880), (4, 64064160), (5, 51251328), (6, 42709440), (8, 32032080), (9, 28472960), (10, 25625664), (12, 21354720), (15, 17083776), (16, 16016040), (17, 15073920), (18, 14236480), (20, 12812832), (24, 10677360), (30, 8541888), (32, 8008020), (34, 7536960), (36, 7118240), (40, 6406416), (45, 5694592), (48, 5338680), (51, 5024640), (60, 4270944), (64, 4004010), (68, 3768480), (72, 3559120), (80, 3203208), (85, 3014784), (90, 2847296), (96, 2669340), (102, 2512320), (120, 2135472), (128, 2002005), (136, 1884240), (144, 1779560), (153, 1674880), (160, 1601604), (170, 1507392), (180, 1423648), (192, 1334670), (204, 1256160), (240, 1067736), (255, 1004928), (272, 942120), (288, 889780), (306, 837440), (320, 800802), (340, 753696), (360, 711824), (384, 667335), (408, 628080), (480, 533868), (510, 502464), (544, 471060), (576, 444890), (612, 418720), (640, 400401), (680, 376848), (720, 355912), (765, 334976), (816, 314040), (960, 266934), (1020, 251232), (1088, 235530), (1152, 222445), (1224, 209360), (1360, 188424), (1440, 177956), (1530, 167488), (1632, 157020), (1920, 133467), (2040, 125616), (2176, 117765), (2448, 104680), (2617, 97920), (2720, 94212), (2880, 88978), (3060, 83744), (3264, 78510), (4080, 62808), (4896, 52340), (5234, 48960), (5440, 47106), (5760, 44489), (6120, 41872), (6528, 39255), (7851, 32640), (8160, 31404), (9792, 26170), (10468, 24480), (10880, 23553), (12240, 20936), (13085, 19584), (15702, 16320)]