217507680

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1$

素因数の和:1331

約数の個数: 240

約数和(自身を含む): 827308944

約数和(自身を除く): 609801264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1291, 1296, 1404, 1440, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2582, 2592, 2808, 3120, 3240, 3510, 3744, 3873, 4212, 4320, 4680, 5164, 5265, 5616, 6240, 6455, 6480, 7020, 7746, 8424, 9360, 10328, 10530, 11232, 11619, 12910, 12960, 14040, 15492, 16783, 16848, 18720, 19365, 20656, 21060, 23238, 25820, 28080, 30984, 33566, 33696, 34857, 38730, 41312, 42120, 46476, 50349, 51640, 56160, 58095, 61968, 67132, 69714, 77460, 83915, 84240, 92952, 100698, 103280, 104571, 116190, 123936, 134264, 139428, 151047, 154920, 167830, 168480, 174285, 185904, 201396, 206560, 209142, 232380, 251745, 268528, 278856, 302094, 309840, 335660, 348570, 371808, 402792, 418284, 453141, 464760, 503490, 522855, 537056, 557712, 604188, 619680, 671320, 697140, 755235, 805584, 836568, 906282, 929520, 1006980, 1045710, 1115424, 1208376, 1342640, 1359423, 1394280, 1510470, 1611168, 1673136, 1812564, 1859040, 2013960, 2091420, 2265705, 2416752, 2685280, 2718846, 2788560, 3020940, 3346272, 3625128, 4027920, 4182840, 4531410, 4833504, 5437692, 5577120, 6041880, 6797115, 7250256, 8055840, 8365680, 9062820, 10875384, 12083760, 13594230, 14500512, 16731360, 18125640, 21750768, 24167520, 27188460, 36251280, 43501536, 54376920, 72502560, 108753840, 217507680]

約数ペア:

[(1, 217507680), (2, 108753840), (3, 72502560), (4, 54376920), (5, 43501536), (6, 36251280), (8, 27188460), (9, 24167520), (10, 21750768), (12, 18125640), (13, 16731360), (15, 14500512), (16, 13594230), (18, 12083760), (20, 10875384), (24, 9062820), (26, 8365680), (27, 8055840), (30, 7250256), (32, 6797115), (36, 6041880), (39, 5577120), (40, 5437692), (45, 4833504), (48, 4531410), (52, 4182840), (54, 4027920), (60, 3625128), (65, 3346272), (72, 3020940), (78, 2788560), (80, 2718846), (81, 2685280), (90, 2416752), (96, 2265705), (104, 2091420), (108, 2013960), (117, 1859040), (120, 1812564), (130, 1673136), (135, 1611168), (144, 1510470), (156, 1394280), (160, 1359423), (162, 1342640), (180, 1208376), (195, 1115424), (208, 1045710), (216, 1006980), (234, 929520), (240, 906282), (260, 836568), (270, 805584), (288, 755235), (312, 697140), (324, 671320), (351, 619680), (360, 604188), (390, 557712), (405, 537056), (416, 522855), (432, 503490), (468, 464760), (480, 453141), (520, 418284), (540, 402792), (585, 371808), (624, 348570), (648, 335660), (702, 309840), (720, 302094), (780, 278856), (810, 268528), (864, 251745), (936, 232380), (1040, 209142), (1053, 206560), (1080, 201396), (1170, 185904), (1248, 174285), (1291, 168480), (1296, 167830), (1404, 154920), (1440, 151047), (1560, 139428), (1620, 134264), (1755, 123936), (1872, 116190), (2080, 104571), (2106, 103280), (2160, 100698), (2340, 92952), (2582, 84240), (2592, 83915), (2808, 77460), (3120, 69714), (3240, 67132), (3510, 61968), (3744, 58095), (3873, 56160), (4212, 51640), (4320, 50349), (4680, 46476), (5164, 42120), (5265, 41312), (5616, 38730), (6240, 34857), (6455, 33696), (6480, 33566), (7020, 30984), (7746, 28080), (8424, 25820), (9360, 23238), (10328, 21060), (10530, 20656), (11232, 19365), (11619, 18720), (12910, 16848), (12960, 16783), (14040, 15492)]