401929920

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{19937}}^1$

素因数の和:19967

約数の個数: 168

約数和(自身を含む): 1580046624

約数和(自身を除く): 1178116704

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, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 19937, 20160, 39874, 59811, 79748, 99685, 119622, 139559, 159496, 179433, 199370, 239244, 279118, 299055, 318992, 358866, 398740, 418677, 478488, 558236, 598110, 637984, 697795, 717732, 797480, 837354, 897165, 956976, 1116472, 1196220, 1256031, 1275968, 1395590, 1435464, 1594960, 1674708, 1794330, 1913952, 2093385, 2232944, 2392440, 2512062, 2791180, 2870928, 3189920, 3349416, 3588660, 3827904, 4186770, 4465888, 4784880, 5024124, 5582360, 5741856, 6280155, 6379840, 6698832, 7177320, 8373540, 8931776, 9569760, 10048248, 11164720, 11483712, 12560310, 13397664, 14354640, 16747080, 19139520, 20096496, 22329440, 25120620, 26795328, 28709280, 33494160, 40192992, 44658880, 50241240, 57418560, 66988320, 80385984, 100482480, 133976640, 200964960, 401929920]

約数ペア:

[(1, 401929920), (2, 200964960), (3, 133976640), (4, 100482480), (5, 80385984), (6, 66988320), (7, 57418560), (8, 50241240), (9, 44658880), (10, 40192992), (12, 33494160), (14, 28709280), (15, 26795328), (16, 25120620), (18, 22329440), (20, 20096496), (21, 19139520), (24, 16747080), (28, 14354640), (30, 13397664), (32, 12560310), (35, 11483712), (36, 11164720), (40, 10048248), (42, 9569760), (45, 8931776), (48, 8373540), (56, 7177320), (60, 6698832), (63, 6379840), (64, 6280155), (70, 5741856), (72, 5582360), (80, 5024124), (84, 4784880), (90, 4465888), (96, 4186770), (105, 3827904), (112, 3588660), (120, 3349416), (126, 3189920), (140, 2870928), (144, 2791180), (160, 2512062), (168, 2392440), (180, 2232944), (192, 2093385), (210, 1913952), (224, 1794330), (240, 1674708), (252, 1594960), (280, 1435464), (288, 1395590), (315, 1275968), (320, 1256031), (336, 1196220), (360, 1116472), (420, 956976), (448, 897165), (480, 837354), (504, 797480), (560, 717732), (576, 697795), (630, 637984), (672, 598110), (720, 558236), (840, 478488), (960, 418677), (1008, 398740), (1120, 358866), (1260, 318992), (1344, 299055), (1440, 279118), (1680, 239244), (2016, 199370), (2240, 179433), (2520, 159496), (2880, 139559), (3360, 119622), (4032, 99685), (5040, 79748), (6720, 59811), (10080, 39874), (19937, 20160)]