128983680

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{457}}^1$

素因数の和:496

約数の個数: 288

約数和(自身を含む): 519248340

約数和(自身を除く): 390264660

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 457, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 735, 784, 840, 882, 896, 914, 960, 980, 1008, 1120, 1152, 1176, 1260, 1344, 1371, 1440, 1470, 1568, 1680, 1764, 1828, 1920, 1960, 2016, 2205, 2240, 2285, 2352, 2520, 2688, 2742, 2880, 2940, 3136, 3199, 3360, 3528, 3656, 3920, 4032, 4113, 4410, 4480, 4570, 4704, 5040, 5484, 5760, 5880, 6272, 6398, 6720, 6855, 7056, 7312, 7840, 8064, 8226, 8820, 9140, 9408, 9597, 10080, 10968, 11760, 12796, 13440, 13710, 14112, 14624, 15680, 15995, 16452, 17640, 18280, 18816, 19194, 20160, 20565, 21936, 22393, 23520, 25592, 27420, 28224, 28791, 29248, 31360, 31990, 32904, 35280, 36560, 38388, 40320, 41130, 43872, 44786, 47040, 47985, 51184, 54840, 56448, 57582, 58496, 63980, 65808, 67179, 70560, 73120, 76776, 82260, 87744, 89572, 94080, 95970, 102368, 109680, 111965, 115164, 127960, 131616, 134358, 141120, 143955, 146240, 153552, 164520, 175488, 179144, 191940, 201537, 204736, 219360, 223930, 230328, 255920, 263232, 268716, 282240, 287910, 292480, 307104, 329040, 335895, 358288, 383880, 403074, 409472, 438720, 447860, 460656, 511840, 526464, 537432, 575820, 614208, 658080, 671790, 716576, 767760, 806148, 877440, 895720, 921312, 1007685, 1023680, 1074864, 1151640, 1228416, 1316160, 1343580, 1433152, 1535520, 1612296, 1791440, 1842624, 2015370, 2047360, 2149728, 2303280, 2632320, 2687160, 2866304, 3071040, 3224592, 3582880, 3685248, 4030740, 4299456, 4606560, 5374320, 6142080, 6449184, 7165760, 8061480, 8598912, 9213120, 10748640, 12898368, 14331520, 16122960, 18426240, 21497280, 25796736, 32245920, 42994560, 64491840, 128983680]

約数ペア:

[(1, 128983680), (2, 64491840), (3, 42994560), (4, 32245920), (5, 25796736), (6, 21497280), (7, 18426240), (8, 16122960), (9, 14331520), (10, 12898368), (12, 10748640), (14, 9213120), (15, 8598912), (16, 8061480), (18, 7165760), (20, 6449184), (21, 6142080), (24, 5374320), (28, 4606560), (30, 4299456), (32, 4030740), (35, 3685248), (36, 3582880), (40, 3224592), (42, 3071040), (45, 2866304), (48, 2687160), (49, 2632320), (56, 2303280), (60, 2149728), (63, 2047360), (64, 2015370), (70, 1842624), (72, 1791440), (80, 1612296), (84, 1535520), (90, 1433152), (96, 1343580), (98, 1316160), (105, 1228416), (112, 1151640), (120, 1074864), (126, 1023680), (128, 1007685), (140, 921312), (144, 895720), (147, 877440), (160, 806148), (168, 767760), (180, 716576), (192, 671790), (196, 658080), (210, 614208), (224, 575820), (240, 537432), (245, 526464), (252, 511840), (280, 460656), (288, 447860), (294, 438720), (315, 409472), (320, 403074), (336, 383880), (360, 358288), (384, 335895), (392, 329040), (420, 307104), (441, 292480), (448, 287910), (457, 282240), (480, 268716), (490, 263232), (504, 255920), (560, 230328), (576, 223930), (588, 219360), (630, 204736), (640, 201537), (672, 191940), (720, 179144), (735, 175488), (784, 164520), (840, 153552), (882, 146240), (896, 143955), (914, 141120), (960, 134358), (980, 131616), (1008, 127960), (1120, 115164), (1152, 111965), (1176, 109680), (1260, 102368), (1344, 95970), (1371, 94080), (1440, 89572), (1470, 87744), (1568, 82260), (1680, 76776), (1764, 73120), (1828, 70560), (1920, 67179), (1960, 65808), (2016, 63980), (2205, 58496), (2240, 57582), (2285, 56448), (2352, 54840), (2520, 51184), (2688, 47985), (2742, 47040), (2880, 44786), (2940, 43872), (3136, 41130), (3199, 40320), (3360, 38388), (3528, 36560), (3656, 35280), (3920, 32904), (4032, 31990), (4113, 31360), (4410, 29248), (4480, 28791), (4570, 28224), (4704, 27420), (5040, 25592), (5484, 23520), (5760, 22393), (5880, 21936), (6272, 20565), (6398, 20160), (6720, 19194), (6855, 18816), (7056, 18280), (7312, 17640), (7840, 16452), (8064, 15995), (8226, 15680), (8820, 14624), (9140, 14112), (9408, 13710), (9597, 13440), (10080, 12796), (10968, 11760)]