205423920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1291}}^1$

素因数の和:1340

約数の個数: 240

約数和(自身を含む): 787262112

約数和(自身を除く): 581838192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1291, 1326, 1360, 1530, 1560, 1768, 1872, 1989, 2040, 2210, 2340, 2448, 2582, 2652, 3060, 3120, 3315, 3536, 3873, 3978, 4080, 4420, 4680, 5164, 5304, 6120, 6455, 6630, 7746, 7956, 8840, 9360, 9945, 10328, 10608, 11619, 12240, 12910, 13260, 15492, 15912, 16783, 17680, 19365, 19890, 20656, 21947, 23238, 25820, 26520, 30984, 31824, 33566, 38730, 39780, 43894, 46476, 50349, 51640, 53040, 58095, 61968, 65841, 67132, 77460, 79560, 83915, 87788, 92952, 100698, 103280, 109735, 116190, 131682, 134264, 151047, 154920, 159120, 167830, 175576, 185904, 197523, 201396, 219470, 232380, 251745, 263364, 268528, 285311, 302094, 309840, 329205, 335660, 351152, 395046, 402792, 438940, 464760, 503490, 526728, 570622, 604188, 658410, 671320, 755235, 790092, 805584, 855933, 877880, 929520, 987615, 1006980, 1053456, 1141244, 1208376, 1316820, 1342640, 1426555, 1510470, 1580184, 1711866, 1755760, 1975230, 2013960, 2282488, 2416752, 2567799, 2633640, 2853110, 3020940, 3160368, 3423732, 3950460, 4027920, 4279665, 4564976, 5135598, 5267280, 5706220, 6041880, 6847464, 7900920, 8559330, 10271196, 11412440, 12083760, 12838995, 13694928, 15801840, 17118660, 20542392, 22824880, 25677990, 34237320, 41084784, 51355980, 68474640, 102711960, 205423920]

約数ペア:

[(1, 205423920), (2, 102711960), (3, 68474640), (4, 51355980), (5, 41084784), (6, 34237320), (8, 25677990), (9, 22824880), (10, 20542392), (12, 17118660), (13, 15801840), (15, 13694928), (16, 12838995), (17, 12083760), (18, 11412440), (20, 10271196), (24, 8559330), (26, 7900920), (30, 6847464), (34, 6041880), (36, 5706220), (39, 5267280), (40, 5135598), (45, 4564976), (48, 4279665), (51, 4027920), (52, 3950460), (60, 3423732), (65, 3160368), (68, 3020940), (72, 2853110), (78, 2633640), (80, 2567799), (85, 2416752), (90, 2282488), (102, 2013960), (104, 1975230), (117, 1755760), (120, 1711866), (130, 1580184), (136, 1510470), (144, 1426555), (153, 1342640), (156, 1316820), (170, 1208376), (180, 1141244), (195, 1053456), (204, 1006980), (208, 987615), (221, 929520), (234, 877880), (240, 855933), (255, 805584), (260, 790092), (272, 755235), (306, 671320), (312, 658410), (340, 604188), (360, 570622), (390, 526728), (408, 503490), (442, 464760), (468, 438940), (510, 402792), (520, 395046), (585, 351152), (612, 335660), (624, 329205), (663, 309840), (680, 302094), (720, 285311), (765, 268528), (780, 263364), (816, 251745), (884, 232380), (936, 219470), (1020, 201396), (1040, 197523), (1105, 185904), (1170, 175576), (1224, 167830), (1291, 159120), (1326, 154920), (1360, 151047), (1530, 134264), (1560, 131682), (1768, 116190), (1872, 109735), (1989, 103280), (2040, 100698), (2210, 92952), (2340, 87788), (2448, 83915), (2582, 79560), (2652, 77460), (3060, 67132), (3120, 65841), (3315, 61968), (3536, 58095), (3873, 53040), (3978, 51640), (4080, 50349), (4420, 46476), (4680, 43894), (5164, 39780), (5304, 38730), (6120, 33566), (6455, 31824), (6630, 30984), (7746, 26520), (7956, 25820), (8840, 23238), (9360, 21947), (9945, 20656), (10328, 19890), (10608, 19365), (11619, 17680), (12240, 16783), (12910, 15912), (13260, 15492)]