399568680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3109}}^1$

素因数の和:3153

約数の個数: 256

約数和(自身を含む): 1612224000

約数和(自身を除く): 1212655320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 168, 170, 180, 189, 204, 210, 216, 238, 252, 255, 270, 280, 306, 315, 340, 357, 360, 378, 408, 420, 459, 476, 504, 510, 540, 595, 612, 630, 680, 714, 756, 765, 840, 918, 945, 952, 1020, 1071, 1080, 1190, 1224, 1260, 1428, 1512, 1530, 1785, 1836, 1890, 2040, 2142, 2295, 2380, 2520, 2856, 3060, 3109, 3213, 3570, 3672, 3780, 4284, 4590, 4760, 5355, 6120, 6218, 6426, 7140, 7560, 8568, 9180, 9327, 10710, 12436, 12852, 14280, 15545, 16065, 18360, 18654, 21420, 21763, 24872, 25704, 27981, 31090, 32130, 37308, 42840, 43526, 46635, 52853, 55962, 62180, 64260, 65289, 74616, 83943, 87052, 93270, 105706, 108815, 111924, 124360, 128520, 130578, 139905, 158559, 167886, 174104, 186540, 195867, 211412, 217630, 223848, 261156, 264265, 279810, 317118, 326445, 335772, 369971, 373080, 391734, 419715, 422824, 435260, 475677, 522312, 528530, 559620, 587601, 634236, 652890, 671544, 739942, 783468, 792795, 839430, 870520, 951354, 979335, 1057060, 1109913, 1119240, 1175202, 1268472, 1305780, 1427031, 1479884, 1566936, 1585590, 1678860, 1849855, 1902708, 1958670, 2114120, 2219826, 2350404, 2378385, 2611560, 2854062, 2938005, 2959768, 3171180, 3329739, 3357720, 3699710, 3805416, 3917340, 4439652, 4700808, 4756770, 5549565, 5708124, 5876010, 6342360, 6659478, 7135155, 7399420, 7834680, 8879304, 9513540, 9989217, 11099130, 11416248, 11752020, 13318956, 14270310, 14798840, 16648695, 19027080, 19978434, 22198260, 23504040, 26637912, 28540620, 33297390, 39956868, 44396520, 49946085, 57081240, 66594780, 79913736, 99892170, 133189560, 199784340, 399568680]

約数ペア:

[(1, 399568680), (2, 199784340), (3, 133189560), (4, 99892170), (5, 79913736), (6, 66594780), (7, 57081240), (8, 49946085), (9, 44396520), (10, 39956868), (12, 33297390), (14, 28540620), (15, 26637912), (17, 23504040), (18, 22198260), (20, 19978434), (21, 19027080), (24, 16648695), (27, 14798840), (28, 14270310), (30, 13318956), (34, 11752020), (35, 11416248), (36, 11099130), (40, 9989217), (42, 9513540), (45, 8879304), (51, 7834680), (54, 7399420), (56, 7135155), (60, 6659478), (63, 6342360), (68, 5876010), (70, 5708124), (72, 5549565), (84, 4756770), (85, 4700808), (90, 4439652), (102, 3917340), (105, 3805416), (108, 3699710), (119, 3357720), (120, 3329739), (126, 3171180), (135, 2959768), (136, 2938005), (140, 2854062), (153, 2611560), (168, 2378385), (170, 2350404), (180, 2219826), (189, 2114120), (204, 1958670), (210, 1902708), (216, 1849855), (238, 1678860), (252, 1585590), (255, 1566936), (270, 1479884), (280, 1427031), (306, 1305780), (315, 1268472), (340, 1175202), (357, 1119240), (360, 1109913), (378, 1057060), (408, 979335), (420, 951354), (459, 870520), (476, 839430), (504, 792795), (510, 783468), (540, 739942), (595, 671544), (612, 652890), (630, 634236), (680, 587601), (714, 559620), (756, 528530), (765, 522312), (840, 475677), (918, 435260), (945, 422824), (952, 419715), (1020, 391734), (1071, 373080), (1080, 369971), (1190, 335772), (1224, 326445), (1260, 317118), (1428, 279810), (1512, 264265), (1530, 261156), (1785, 223848), (1836, 217630), (1890, 211412), (2040, 195867), (2142, 186540), (2295, 174104), (2380, 167886), (2520, 158559), (2856, 139905), (3060, 130578), (3109, 128520), (3213, 124360), (3570, 111924), (3672, 108815), (3780, 105706), (4284, 93270), (4590, 87052), (4760, 83943), (5355, 74616), (6120, 65289), (6218, 64260), (6426, 62180), (7140, 55962), (7560, 52853), (8568, 46635), (9180, 43526), (9327, 42840), (10710, 37308), (12436, 32130), (12852, 31090), (14280, 27981), (15545, 25704), (16065, 24872), (18360, 21763), (18654, 21420)]