320416560

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:473

約数の個数: 200

約数和(自身を含む): 1122959376

約数和(自身を除く): 802542816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 197, 216, 240, 251, 270, 324, 360, 394, 405, 432, 502, 540, 591, 648, 720, 753, 788, 810, 985, 1004, 1080, 1182, 1255, 1296, 1506, 1576, 1620, 1773, 1970, 2008, 2160, 2259, 2364, 2510, 2955, 3012, 3152, 3240, 3546, 3765, 3940, 4016, 4518, 4728, 5020, 5319, 5910, 6024, 6480, 6777, 7092, 7530, 7880, 8865, 9036, 9456, 10040, 10638, 11295, 11820, 12048, 13554, 14184, 15060, 15760, 15957, 17730, 18072, 20080, 20331, 21276, 22590, 23640, 26595, 27108, 28368, 30120, 31914, 33885, 35460, 36144, 40662, 42552, 45180, 47280, 49447, 53190, 54216, 60240, 63828, 67770, 70920, 79785, 81324, 85104, 90360, 98894, 101655, 106380, 108432, 127656, 135540, 141840, 148341, 159570, 162648, 180720, 197788, 203310, 212760, 247235, 255312, 271080, 296682, 319140, 325296, 395576, 406620, 425520, 445023, 494470, 542160, 593364, 638280, 741705, 791152, 813240, 890046, 988940, 1186728, 1276560, 1335069, 1483410, 1626480, 1780092, 1977880, 2225115, 2373456, 2670138, 2966820, 3560184, 3955760, 4005207, 4450230, 5340276, 5933640, 6675345, 7120368, 8010414, 8900460, 10680552, 11867280, 13350690, 16020828, 17800920, 20026035, 21361104, 26701380, 32041656, 35601840, 40052070, 53402760, 64083312, 80104140, 106805520, 160208280, 320416560]

約数ペア:

[(1, 320416560), (2, 160208280), (3, 106805520), (4, 80104140), (5, 64083312), (6, 53402760), (8, 40052070), (9, 35601840), (10, 32041656), (12, 26701380), (15, 21361104), (16, 20026035), (18, 17800920), (20, 16020828), (24, 13350690), (27, 11867280), (30, 10680552), (36, 8900460), (40, 8010414), (45, 7120368), (48, 6675345), (54, 5933640), (60, 5340276), (72, 4450230), (80, 4005207), (81, 3955760), (90, 3560184), (108, 2966820), (120, 2670138), (135, 2373456), (144, 2225115), (162, 1977880), (180, 1780092), (197, 1626480), (216, 1483410), (240, 1335069), (251, 1276560), (270, 1186728), (324, 988940), (360, 890046), (394, 813240), (405, 791152), (432, 741705), (502, 638280), (540, 593364), (591, 542160), (648, 494470), (720, 445023), (753, 425520), (788, 406620), (810, 395576), (985, 325296), (1004, 319140), (1080, 296682), (1182, 271080), (1255, 255312), (1296, 247235), (1506, 212760), (1576, 203310), (1620, 197788), (1773, 180720), (1970, 162648), (2008, 159570), (2160, 148341), (2259, 141840), (2364, 135540), (2510, 127656), (2955, 108432), (3012, 106380), (3152, 101655), (3240, 98894), (3546, 90360), (3765, 85104), (3940, 81324), (4016, 79785), (4518, 70920), (4728, 67770), (5020, 63828), (5319, 60240), (5910, 54216), (6024, 53190), (6480, 49447), (6777, 47280), (7092, 45180), (7530, 42552), (7880, 40662), (8865, 36144), (9036, 35460), (9456, 33885), (10040, 31914), (10638, 30120), (11295, 28368), (11820, 27108), (12048, 26595), (13554, 23640), (14184, 22590), (15060, 21276), (15760, 20331), (15957, 20080), (17730, 18072)]