1218981120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:581

約数の個数: 288

約数和(自身を含む): 4503340800

約数和(自身を除く): 3284359680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 101, 105, 112, 120, 128, 140, 160, 168, 192, 202, 210, 224, 240, 256, 280, 303, 320, 336, 384, 404, 420, 448, 449, 480, 505, 560, 606, 640, 672, 707, 768, 808, 840, 896, 898, 960, 1010, 1120, 1212, 1280, 1344, 1347, 1414, 1515, 1616, 1680, 1792, 1796, 1920, 2020, 2121, 2240, 2245, 2424, 2688, 2694, 2828, 3030, 3143, 3232, 3360, 3535, 3592, 3840, 4040, 4242, 4480, 4490, 4848, 5376, 5388, 5656, 6060, 6286, 6464, 6720, 6735, 7070, 7184, 8080, 8484, 8960, 8980, 9429, 9696, 10605, 10776, 11312, 12120, 12572, 12928, 13440, 13470, 14140, 14368, 15715, 16160, 16968, 17960, 18858, 19392, 21210, 21552, 22624, 24240, 25144, 25856, 26880, 26940, 28280, 28736, 31430, 32320, 33936, 35920, 37716, 38784, 42420, 43104, 45248, 45349, 47145, 48480, 50288, 53880, 56560, 57472, 62860, 64640, 67872, 71840, 75432, 77568, 84840, 86208, 90496, 90698, 94290, 96960, 100576, 107760, 113120, 114944, 125720, 129280, 135744, 136047, 143680, 150864, 169680, 172416, 180992, 181396, 188580, 193920, 201152, 215520, 226240, 226745, 251440, 271488, 272094, 287360, 301728, 317443, 339360, 344832, 362792, 377160, 387840, 402304, 431040, 452480, 453490, 502880, 542976, 544188, 574720, 603456, 634886, 678720, 680235, 725584, 754320, 804608, 862080, 904960, 906980, 952329, 1005760, 1088376, 1206912, 1269772, 1357440, 1360470, 1451168, 1508640, 1587215, 1724160, 1813960, 1904658, 2011520, 2176752, 2413824, 2539544, 2714880, 2720940, 2902336, 3017280, 3174430, 3627920, 3809316, 4023040, 4353504, 4761645, 5079088, 5441880, 5804672, 6034560, 6348860, 7255840, 7618632, 8707008, 9523290, 10158176, 10883760, 11609344, 12069120, 12697720, 14511680, 15237264, 17414016, 19046580, 20316352, 21767520, 25395440, 29023360, 30474528, 34828032, 38093160, 40632704, 43535040, 50790880, 58046720, 60949056, 76186320, 81265408, 87070080, 101581760, 121898112, 152372640, 174140160, 203163520, 243796224, 304745280, 406327040, 609490560, 1218981120]

約数ペア:

[(1, 1218981120), (2, 609490560), (3, 406327040), (4, 304745280), (5, 243796224), (6, 203163520), (7, 174140160), (8, 152372640), (10, 121898112), (12, 101581760), (14, 87070080), (15, 81265408), (16, 76186320), (20, 60949056), (21, 58046720), (24, 50790880), (28, 43535040), (30, 40632704), (32, 38093160), (35, 34828032), (40, 30474528), (42, 29023360), (48, 25395440), (56, 21767520), (60, 20316352), (64, 19046580), (70, 17414016), (80, 15237264), (84, 14511680), (96, 12697720), (101, 12069120), (105, 11609344), (112, 10883760), (120, 10158176), (128, 9523290), (140, 8707008), (160, 7618632), (168, 7255840), (192, 6348860), (202, 6034560), (210, 5804672), (224, 5441880), (240, 5079088), (256, 4761645), (280, 4353504), (303, 4023040), (320, 3809316), (336, 3627920), (384, 3174430), (404, 3017280), (420, 2902336), (448, 2720940), (449, 2714880), (480, 2539544), (505, 2413824), (560, 2176752), (606, 2011520), (640, 1904658), (672, 1813960), (707, 1724160), (768, 1587215), (808, 1508640), (840, 1451168), (896, 1360470), (898, 1357440), (960, 1269772), (1010, 1206912), (1120, 1088376), (1212, 1005760), (1280, 952329), (1344, 906980), (1347, 904960), (1414, 862080), (1515, 804608), (1616, 754320), (1680, 725584), (1792, 680235), (1796, 678720), (1920, 634886), (2020, 603456), (2121, 574720), (2240, 544188), (2245, 542976), (2424, 502880), (2688, 453490), (2694, 452480), (2828, 431040), (3030, 402304), (3143, 387840), (3232, 377160), (3360, 362792), (3535, 344832), (3592, 339360), (3840, 317443), (4040, 301728), (4242, 287360), (4480, 272094), (4490, 271488), (4848, 251440), (5376, 226745), (5388, 226240), (5656, 215520), (6060, 201152), (6286, 193920), (6464, 188580), (6720, 181396), (6735, 180992), (7070, 172416), (7184, 169680), (8080, 150864), (8484, 143680), (8960, 136047), (8980, 135744), (9429, 129280), (9696, 125720), (10605, 114944), (10776, 113120), (11312, 107760), (12120, 100576), (12572, 96960), (12928, 94290), (13440, 90698), (13470, 90496), (14140, 86208), (14368, 84840), (15715, 77568), (16160, 75432), (16968, 71840), (17960, 67872), (18858, 64640), (19392, 62860), (21210, 57472), (21552, 56560), (22624, 53880), (24240, 50288), (25144, 48480), (25856, 47145), (26880, 45349), (26940, 45248), (28280, 43104), (28736, 42420), (31430, 38784), (32320, 37716), (33936, 35920)]