661386240

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:525

約数の個数: 264

約数和(自身を含む): 2370720768

約数和(自身を除く): 1709334528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 463, 465, 480, 496, 512, 558, 576, 620, 640, 720, 744, 768, 926, 930, 960, 992, 1024, 1116, 1152, 1240, 1280, 1389, 1395, 1440, 1488, 1536, 1852, 1860, 1920, 1984, 2232, 2304, 2315, 2480, 2560, 2778, 2790, 2880, 2976, 3072, 3704, 3720, 3840, 3968, 4167, 4464, 4608, 4630, 4960, 5120, 5556, 5580, 5760, 5952, 6945, 7408, 7440, 7680, 7936, 8334, 8928, 9216, 9260, 9920, 11112, 11160, 11520, 11904, 13890, 14353, 14816, 14880, 15360, 15872, 16668, 17856, 18520, 19840, 20835, 22224, 22320, 23040, 23808, 27780, 28706, 29632, 29760, 31744, 33336, 35712, 37040, 39680, 41670, 43059, 44448, 44640, 46080, 47616, 55560, 57412, 59264, 59520, 66672, 71424, 71765, 74080, 79360, 83340, 86118, 88896, 89280, 95232, 111120, 114824, 118528, 119040, 129177, 133344, 142848, 143530, 148160, 158720, 166680, 172236, 177792, 178560, 215295, 222240, 229648, 237056, 238080, 258354, 266688, 285696, 287060, 296320, 333360, 344472, 355584, 357120, 430590, 444480, 459296, 474112, 476160, 516708, 533376, 574120, 592640, 645885, 666720, 688944, 711168, 714240, 861180, 888960, 918592, 1033416, 1066752, 1148240, 1185280, 1291770, 1333440, 1377888, 1422336, 1428480, 1722360, 1777920, 1837184, 2066832, 2133504, 2296480, 2370560, 2583540, 2666880, 2755776, 3444720, 3555840, 3674368, 4133664, 4267008, 4592960, 5167080, 5333760, 5511552, 6889440, 7111680, 7348736, 8267328, 9185920, 10334160, 10667520, 11023104, 13778880, 14697472, 16534656, 18371840, 20668320, 21335040, 22046208, 27557760, 33069312, 36743680, 41336640, 44092416, 55115520, 66138624, 73487360, 82673280, 110231040, 132277248, 165346560, 220462080, 330693120, 661386240]

約数ペア:

[(1, 661386240), (2, 330693120), (3, 220462080), (4, 165346560), (5, 132277248), (6, 110231040), (8, 82673280), (9, 73487360), (10, 66138624), (12, 55115520), (15, 44092416), (16, 41336640), (18, 36743680), (20, 33069312), (24, 27557760), (30, 22046208), (31, 21335040), (32, 20668320), (36, 18371840), (40, 16534656), (45, 14697472), (48, 13778880), (60, 11023104), (62, 10667520), (64, 10334160), (72, 9185920), (80, 8267328), (90, 7348736), (93, 7111680), (96, 6889440), (120, 5511552), (124, 5333760), (128, 5167080), (144, 4592960), (155, 4267008), (160, 4133664), (180, 3674368), (186, 3555840), (192, 3444720), (240, 2755776), (248, 2666880), (256, 2583540), (279, 2370560), (288, 2296480), (310, 2133504), (320, 2066832), (360, 1837184), (372, 1777920), (384, 1722360), (463, 1428480), (465, 1422336), (480, 1377888), (496, 1333440), (512, 1291770), (558, 1185280), (576, 1148240), (620, 1066752), (640, 1033416), (720, 918592), (744, 888960), (768, 861180), (926, 714240), (930, 711168), (960, 688944), (992, 666720), (1024, 645885), (1116, 592640), (1152, 574120), (1240, 533376), (1280, 516708), (1389, 476160), (1395, 474112), (1440, 459296), (1488, 444480), (1536, 430590), (1852, 357120), (1860, 355584), (1920, 344472), (1984, 333360), (2232, 296320), (2304, 287060), (2315, 285696), (2480, 266688), (2560, 258354), (2778, 238080), (2790, 237056), (2880, 229648), (2976, 222240), (3072, 215295), (3704, 178560), (3720, 177792), (3840, 172236), (3968, 166680), (4167, 158720), (4464, 148160), (4608, 143530), (4630, 142848), (4960, 133344), (5120, 129177), (5556, 119040), (5580, 118528), (5760, 114824), (5952, 111120), (6945, 95232), (7408, 89280), (7440, 88896), (7680, 86118), (7936, 83340), (8334, 79360), (8928, 74080), (9216, 71765), (9260, 71424), (9920, 66672), (11112, 59520), (11160, 59264), (11520, 57412), (11904, 55560), (13890, 47616), (14353, 46080), (14816, 44640), (14880, 44448), (15360, 43059), (15872, 41670), (16668, 39680), (17856, 37040), (18520, 35712), (19840, 33336), (20835, 31744), (22224, 29760), (22320, 29632), (23040, 28706), (23808, 27780)]