388302720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:413

約数の個数: 256

約数和(自身を含む): 1365396480

約数和(自身を除く): 977093760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 47, 48, 52, 60, 64, 65, 78, 80, 94, 96, 104, 120, 128, 130, 141, 156, 160, 188, 192, 195, 208, 235, 240, 260, 282, 312, 320, 331, 376, 384, 390, 416, 470, 480, 520, 564, 611, 624, 640, 662, 705, 752, 780, 832, 940, 960, 993, 1040, 1128, 1222, 1248, 1324, 1410, 1504, 1560, 1655, 1664, 1833, 1880, 1920, 1986, 2080, 2256, 2444, 2496, 2648, 2820, 3008, 3055, 3120, 3310, 3666, 3760, 3972, 4160, 4303, 4512, 4888, 4965, 4992, 5296, 5640, 6016, 6110, 6240, 6620, 7332, 7520, 7944, 8320, 8606, 9024, 9165, 9776, 9930, 10592, 11280, 12220, 12480, 12909, 13240, 14664, 15040, 15557, 15888, 17212, 18048, 18330, 19552, 19860, 21184, 21515, 22560, 24440, 24960, 25818, 26480, 29328, 30080, 31114, 31776, 34424, 36660, 39104, 39720, 42368, 43030, 45120, 46671, 48880, 51636, 52960, 58656, 62228, 63552, 64545, 68848, 73320, 77785, 78208, 79440, 86060, 90240, 93342, 97760, 103272, 105920, 117312, 124456, 127104, 129090, 137696, 146640, 155570, 158880, 172120, 186684, 195520, 202241, 206544, 211840, 233355, 234624, 248912, 258180, 275392, 293280, 311140, 317760, 344240, 373368, 391040, 404482, 413088, 466710, 497824, 516360, 550784, 586560, 606723, 622280, 635520, 688480, 746736, 808964, 826176, 933420, 995648, 1011205, 1032720, 1173120, 1213446, 1244560, 1376960, 1493472, 1617928, 1652352, 1866840, 1991296, 2022410, 2065440, 2426892, 2489120, 2753920, 2986944, 3033615, 3235856, 3733680, 4044820, 4130880, 4853784, 4978240, 5973888, 6067230, 6471712, 7467360, 8089640, 8261760, 9707568, 9956480, 12134460, 12943424, 14934720, 16179280, 19415136, 24268920, 25886848, 29869440, 32358560, 38830272, 48537840, 64717120, 77660544, 97075680, 129434240, 194151360, 388302720]

約数ペア:

[(1, 388302720), (2, 194151360), (3, 129434240), (4, 97075680), (5, 77660544), (6, 64717120), (8, 48537840), (10, 38830272), (12, 32358560), (13, 29869440), (15, 25886848), (16, 24268920), (20, 19415136), (24, 16179280), (26, 14934720), (30, 12943424), (32, 12134460), (39, 9956480), (40, 9707568), (47, 8261760), (48, 8089640), (52, 7467360), (60, 6471712), (64, 6067230), (65, 5973888), (78, 4978240), (80, 4853784), (94, 4130880), (96, 4044820), (104, 3733680), (120, 3235856), (128, 3033615), (130, 2986944), (141, 2753920), (156, 2489120), (160, 2426892), (188, 2065440), (192, 2022410), (195, 1991296), (208, 1866840), (235, 1652352), (240, 1617928), (260, 1493472), (282, 1376960), (312, 1244560), (320, 1213446), (331, 1173120), (376, 1032720), (384, 1011205), (390, 995648), (416, 933420), (470, 826176), (480, 808964), (520, 746736), (564, 688480), (611, 635520), (624, 622280), (640, 606723), (662, 586560), (705, 550784), (752, 516360), (780, 497824), (832, 466710), (940, 413088), (960, 404482), (993, 391040), (1040, 373368), (1128, 344240), (1222, 317760), (1248, 311140), (1324, 293280), (1410, 275392), (1504, 258180), (1560, 248912), (1655, 234624), (1664, 233355), (1833, 211840), (1880, 206544), (1920, 202241), (1986, 195520), (2080, 186684), (2256, 172120), (2444, 158880), (2496, 155570), (2648, 146640), (2820, 137696), (3008, 129090), (3055, 127104), (3120, 124456), (3310, 117312), (3666, 105920), (3760, 103272), (3972, 97760), (4160, 93342), (4303, 90240), (4512, 86060), (4888, 79440), (4965, 78208), (4992, 77785), (5296, 73320), (5640, 68848), (6016, 64545), (6110, 63552), (6240, 62228), (6620, 58656), (7332, 52960), (7520, 51636), (7944, 48880), (8320, 46671), (8606, 45120), (9024, 43030), (9165, 42368), (9776, 39720), (9930, 39104), (10592, 36660), (11280, 34424), (12220, 31776), (12480, 31114), (12909, 30080), (13240, 29328), (14664, 26480), (15040, 25818), (15557, 24960), (15888, 24440), (17212, 22560), (18048, 21515), (18330, 21184), (19552, 19860)]