388005120

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 288

約数和(自身を含む): 1403001600

約数和(自身を除く): 1014996480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 103, 108, 109, 120, 128, 135, 144, 160, 180, 192, 206, 216, 218, 240, 256, 270, 288, 309, 320, 327, 360, 384, 412, 432, 436, 480, 515, 540, 545, 576, 618, 640, 654, 720, 768, 824, 864, 872, 927, 960, 981, 1030, 1080, 1090, 1152, 1236, 1280, 1308, 1440, 1545, 1635, 1648, 1728, 1744, 1854, 1920, 1962, 2060, 2160, 2180, 2304, 2472, 2616, 2781, 2880, 2943, 3090, 3270, 3296, 3456, 3488, 3708, 3840, 3924, 4120, 4320, 4360, 4635, 4905, 4944, 5232, 5562, 5760, 5886, 6180, 6540, 6592, 6912, 6976, 7416, 7848, 8240, 8640, 8720, 9270, 9810, 9888, 10464, 11124, 11227, 11520, 11772, 12360, 13080, 13184, 13905, 13952, 14715, 14832, 15696, 16480, 17280, 17440, 18540, 19620, 19776, 20928, 22248, 22454, 23544, 24720, 26160, 26368, 27810, 27904, 29430, 29664, 31392, 32960, 33681, 34560, 34880, 37080, 39240, 39552, 41856, 44496, 44908, 47088, 49440, 52320, 55620, 56135, 58860, 59328, 62784, 65920, 67362, 69760, 74160, 78480, 79104, 83712, 88992, 89816, 94176, 98880, 101043, 104640, 111240, 112270, 117720, 118656, 125568, 131840, 134724, 139520, 148320, 156960, 168405, 177984, 179632, 188352, 197760, 202086, 209280, 222480, 224540, 235440, 237312, 251136, 269448, 296640, 303129, 313920, 336810, 355968, 359264, 376704, 395520, 404172, 418560, 444960, 449080, 470880, 505215, 538896, 593280, 606258, 627840, 673620, 711936, 718528, 753408, 808344, 889920, 898160, 941760, 1010430, 1077792, 1186560, 1212516, 1255680, 1347240, 1437056, 1515645, 1616688, 1779840, 1796320, 1883520, 2020860, 2155584, 2425032, 2694480, 2874112, 3031290, 3233376, 3559680, 3592640, 3767040, 4041720, 4311168, 4850064, 5388960, 6062580, 6466752, 7185280, 8083440, 8622336, 9700128, 10777920, 12125160, 12933504, 14370560, 16166880, 19400256, 21555840, 24250320, 25867008, 32333760, 38800512, 43111680, 48500640, 64667520, 77601024, 97001280, 129335040, 194002560, 388005120]

約数ペア:

[(1, 388005120), (2, 194002560), (3, 129335040), (4, 97001280), (5, 77601024), (6, 64667520), (8, 48500640), (9, 43111680), (10, 38800512), (12, 32333760), (15, 25867008), (16, 24250320), (18, 21555840), (20, 19400256), (24, 16166880), (27, 14370560), (30, 12933504), (32, 12125160), (36, 10777920), (40, 9700128), (45, 8622336), (48, 8083440), (54, 7185280), (60, 6466752), (64, 6062580), (72, 5388960), (80, 4850064), (90, 4311168), (96, 4041720), (103, 3767040), (108, 3592640), (109, 3559680), (120, 3233376), (128, 3031290), (135, 2874112), (144, 2694480), (160, 2425032), (180, 2155584), (192, 2020860), (206, 1883520), (216, 1796320), (218, 1779840), (240, 1616688), (256, 1515645), (270, 1437056), (288, 1347240), (309, 1255680), (320, 1212516), (327, 1186560), (360, 1077792), (384, 1010430), (412, 941760), (432, 898160), (436, 889920), (480, 808344), (515, 753408), (540, 718528), (545, 711936), (576, 673620), (618, 627840), (640, 606258), (654, 593280), (720, 538896), (768, 505215), (824, 470880), (864, 449080), (872, 444960), (927, 418560), (960, 404172), (981, 395520), (1030, 376704), (1080, 359264), (1090, 355968), (1152, 336810), (1236, 313920), (1280, 303129), (1308, 296640), (1440, 269448), (1545, 251136), (1635, 237312), (1648, 235440), (1728, 224540), (1744, 222480), (1854, 209280), (1920, 202086), (1962, 197760), (2060, 188352), (2160, 179632), (2180, 177984), (2304, 168405), (2472, 156960), (2616, 148320), (2781, 139520), (2880, 134724), (2943, 131840), (3090, 125568), (3270, 118656), (3296, 117720), (3456, 112270), (3488, 111240), (3708, 104640), (3840, 101043), (3924, 98880), (4120, 94176), (4320, 89816), (4360, 88992), (4635, 83712), (4905, 79104), (4944, 78480), (5232, 74160), (5562, 69760), (5760, 67362), (5886, 65920), (6180, 62784), (6540, 59328), (6592, 58860), (6912, 56135), (6976, 55620), (7416, 52320), (7848, 49440), (8240, 47088), (8640, 44908), (8720, 44496), (9270, 41856), (9810, 39552), (9888, 39240), (10464, 37080), (11124, 34880), (11227, 34560), (11520, 33681), (11772, 32960), (12360, 31392), (13080, 29664), (13184, 29430), (13905, 27904), (13952, 27810), (14715, 26368), (14832, 26160), (15696, 24720), (16480, 23544), (17280, 22454), (17440, 22248), (18540, 20928), (19620, 19776)]