67898880

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{421}}^1$

素因数の和:457

約数の個数: 240

約数和(自身を含む): 269384544

約数和(自身を除く): 201485664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 421, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 842, 896, 960, 1008, 1120, 1152, 1260, 1263, 1280, 1344, 1440, 1536, 1680, 1684, 1792, 1920, 2016, 2105, 2240, 2304, 2520, 2526, 2560, 2688, 2880, 2947, 3360, 3368, 3584, 3789, 3840, 4032, 4210, 4480, 4608, 5040, 5052, 5376, 5760, 5894, 6315, 6720, 6736, 7578, 7680, 8064, 8420, 8841, 8960, 10080, 10104, 10752, 11520, 11788, 12630, 13440, 13472, 14735, 15156, 16128, 16840, 17682, 17920, 18945, 20160, 20208, 23040, 23576, 25260, 26523, 26880, 26944, 29470, 30312, 32256, 33680, 35364, 37890, 40320, 40416, 44205, 47152, 50520, 53046, 53760, 53888, 58940, 60624, 67360, 70728, 75780, 80640, 80832, 88410, 94304, 101040, 106092, 107776, 117880, 121248, 132615, 134720, 141456, 151560, 161280, 161664, 176820, 188608, 202080, 212184, 215552, 235760, 242496, 265230, 269440, 282912, 303120, 323328, 353640, 377216, 404160, 424368, 471520, 484992, 530460, 538880, 565824, 606240, 646656, 707280, 754432, 808320, 848736, 943040, 969984, 1060920, 1077760, 1131648, 1212480, 1414560, 1508864, 1616640, 1697472, 1886080, 1939968, 2121840, 2263296, 2424960, 2829120, 3233280, 3394944, 3772160, 4243680, 4526592, 4849920, 5658240, 6789888, 7544320, 8487360, 9699840, 11316480, 13579776, 16974720, 22632960, 33949440, 67898880]

約数ペア:

[(1, 67898880), (2, 33949440), (3, 22632960), (4, 16974720), (5, 13579776), (6, 11316480), (7, 9699840), (8, 8487360), (9, 7544320), (10, 6789888), (12, 5658240), (14, 4849920), (15, 4526592), (16, 4243680), (18, 3772160), (20, 3394944), (21, 3233280), (24, 2829120), (28, 2424960), (30, 2263296), (32, 2121840), (35, 1939968), (36, 1886080), (40, 1697472), (42, 1616640), (45, 1508864), (48, 1414560), (56, 1212480), (60, 1131648), (63, 1077760), (64, 1060920), (70, 969984), (72, 943040), (80, 848736), (84, 808320), (90, 754432), (96, 707280), (105, 646656), (112, 606240), (120, 565824), (126, 538880), (128, 530460), (140, 484992), (144, 471520), (160, 424368), (168, 404160), (180, 377216), (192, 353640), (210, 323328), (224, 303120), (240, 282912), (252, 269440), (256, 265230), (280, 242496), (288, 235760), (315, 215552), (320, 212184), (336, 202080), (360, 188608), (384, 176820), (420, 161664), (421, 161280), (448, 151560), (480, 141456), (504, 134720), (512, 132615), (560, 121248), (576, 117880), (630, 107776), (640, 106092), (672, 101040), (720, 94304), (768, 88410), (840, 80832), (842, 80640), (896, 75780), (960, 70728), (1008, 67360), (1120, 60624), (1152, 58940), (1260, 53888), (1263, 53760), (1280, 53046), (1344, 50520), (1440, 47152), (1536, 44205), (1680, 40416), (1684, 40320), (1792, 37890), (1920, 35364), (2016, 33680), (2105, 32256), (2240, 30312), (2304, 29470), (2520, 26944), (2526, 26880), (2560, 26523), (2688, 25260), (2880, 23576), (2947, 23040), (3360, 20208), (3368, 20160), (3584, 18945), (3789, 17920), (3840, 17682), (4032, 16840), (4210, 16128), (4480, 15156), (4608, 14735), (5040, 13472), (5052, 13440), (5376, 12630), (5760, 11788), (5894, 11520), (6315, 10752), (6720, 10104), (6736, 10080), (7578, 8960), (7680, 8841), (8064, 8420)]