1328878080

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:587

約数の個数: 240

約数和(自身を含む): 4646883384

約数和(自身を除く): 3318005304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 137, 144, 160, 180, 192, 240, 256, 274, 288, 320, 360, 384, 411, 421, 480, 512, 548, 576, 640, 685, 720, 768, 822, 842, 960, 1096, 1152, 1233, 1263, 1280, 1370, 1440, 1536, 1644, 1684, 1920, 2055, 2105, 2192, 2304, 2466, 2526, 2560, 2740, 2880, 3288, 3368, 3789, 3840, 4110, 4210, 4384, 4608, 4932, 5052, 5480, 5760, 6165, 6315, 6576, 6736, 7578, 7680, 8220, 8420, 8768, 9864, 10104, 10960, 11520, 12330, 12630, 13152, 13472, 15156, 16440, 16840, 17536, 18945, 19728, 20208, 21920, 23040, 24660, 25260, 26304, 26944, 30312, 32880, 33680, 35072, 37890, 39456, 40416, 43840, 49320, 50520, 52608, 53888, 57677, 60624, 65760, 67360, 70144, 75780, 78912, 80832, 87680, 98640, 101040, 105216, 107776, 115354, 121248, 131520, 134720, 151560, 157824, 161664, 173031, 175360, 197280, 202080, 210432, 215552, 230708, 242496, 263040, 269440, 288385, 303120, 315648, 323328, 346062, 350720, 394560, 404160, 461416, 484992, 519093, 526080, 538880, 576770, 606240, 631296, 646656, 692124, 789120, 808320, 865155, 922832, 969984, 1038186, 1052160, 1077760, 1153540, 1212480, 1384248, 1578240, 1616640, 1730310, 1845664, 1939968, 2076372, 2307080, 2424960, 2595465, 2768496, 3156480, 3233280, 3460620, 3691328, 4152744, 4614160, 4849920, 5190930, 5536992, 6921240, 7382656, 8305488, 9228320, 9699840, 10381860, 11073984, 13842480, 14765312, 16610976, 18456640, 20763720, 22147968, 27684960, 29530624, 33221952, 36913280, 41527440, 44295936, 55369920, 66443904, 73826560, 83054880, 88591872, 110739840, 132887808, 147653120, 166109760, 221479680, 265775616, 332219520, 442959360, 664439040, 1328878080]

約数ペア:

[(1, 1328878080), (2, 664439040), (3, 442959360), (4, 332219520), (5, 265775616), (6, 221479680), (8, 166109760), (9, 147653120), (10, 132887808), (12, 110739840), (15, 88591872), (16, 83054880), (18, 73826560), (20, 66443904), (24, 55369920), (30, 44295936), (32, 41527440), (36, 36913280), (40, 33221952), (45, 29530624), (48, 27684960), (60, 22147968), (64, 20763720), (72, 18456640), (80, 16610976), (90, 14765312), (96, 13842480), (120, 11073984), (128, 10381860), (137, 9699840), (144, 9228320), (160, 8305488), (180, 7382656), (192, 6921240), (240, 5536992), (256, 5190930), (274, 4849920), (288, 4614160), (320, 4152744), (360, 3691328), (384, 3460620), (411, 3233280), (421, 3156480), (480, 2768496), (512, 2595465), (548, 2424960), (576, 2307080), (640, 2076372), (685, 1939968), (720, 1845664), (768, 1730310), (822, 1616640), (842, 1578240), (960, 1384248), (1096, 1212480), (1152, 1153540), (1233, 1077760), (1263, 1052160), (1280, 1038186), (1370, 969984), (1440, 922832), (1536, 865155), (1644, 808320), (1684, 789120), (1920, 692124), (2055, 646656), (2105, 631296), (2192, 606240), (2304, 576770), (2466, 538880), (2526, 526080), (2560, 519093), (2740, 484992), (2880, 461416), (3288, 404160), (3368, 394560), (3789, 350720), (3840, 346062), (4110, 323328), (4210, 315648), (4384, 303120), (4608, 288385), (4932, 269440), (5052, 263040), (5480, 242496), (5760, 230708), (6165, 215552), (6315, 210432), (6576, 202080), (6736, 197280), (7578, 175360), (7680, 173031), (8220, 161664), (8420, 157824), (8768, 151560), (9864, 134720), (10104, 131520), (10960, 121248), (11520, 115354), (12330, 107776), (12630, 105216), (13152, 101040), (13472, 98640), (15156, 87680), (16440, 80832), (16840, 78912), (17536, 75780), (18945, 70144), (19728, 67360), (20208, 65760), (21920, 60624), (23040, 57677), (24660, 53888), (25260, 52608), (26304, 50520), (26944, 49320), (30312, 43840), (32880, 40416), (33680, 39456), (35072, 37890)]