257302080

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{12763}}^1$

素因数の和:12793

約数の個数: 168

約数和(自身を含む): 1011521472

約数和(自身を除く): 754219392

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, 12763, 20160, 25526, 38289, 51052, 63815, 76578, 89341, 102104, 114867, 127630, 153156, 178682, 191445, 204208, 229734, 255260, 268023, 306312, 357364, 382890, 408416, 446705, 459468, 510520, 536046, 574335, 612624, 714728, 765780, 804069, 816832, 893410, 918936, 1021040, 1072092, 1148670, 1225248, 1340115, 1429456, 1531560, 1608138, 1786820, 1837872, 2042080, 2144184, 2297340, 2450496, 2680230, 2858912, 3063120, 3216276, 3573640, 3675744, 4020345, 4084160, 4288368, 4594680, 5360460, 5717824, 6126240, 6432552, 7147280, 7351488, 8040690, 8576736, 9189360, 10720920, 12252480, 12865104, 14294560, 16081380, 17153472, 18378720, 21441840, 25730208, 28589120, 32162760, 36757440, 42883680, 51460416, 64325520, 85767360, 128651040, 257302080]

約数ペア:

[(1, 257302080), (2, 128651040), (3, 85767360), (4, 64325520), (5, 51460416), (6, 42883680), (7, 36757440), (8, 32162760), (9, 28589120), (10, 25730208), (12, 21441840), (14, 18378720), (15, 17153472), (16, 16081380), (18, 14294560), (20, 12865104), (21, 12252480), (24, 10720920), (28, 9189360), (30, 8576736), (32, 8040690), (35, 7351488), (36, 7147280), (40, 6432552), (42, 6126240), (45, 5717824), (48, 5360460), (56, 4594680), (60, 4288368), (63, 4084160), (64, 4020345), (70, 3675744), (72, 3573640), (80, 3216276), (84, 3063120), (90, 2858912), (96, 2680230), (105, 2450496), (112, 2297340), (120, 2144184), (126, 2042080), (140, 1837872), (144, 1786820), (160, 1608138), (168, 1531560), (180, 1429456), (192, 1340115), (210, 1225248), (224, 1148670), (240, 1072092), (252, 1021040), (280, 918936), (288, 893410), (315, 816832), (320, 804069), (336, 765780), (360, 714728), (420, 612624), (448, 574335), (480, 536046), (504, 510520), (560, 459468), (576, 446705), (630, 408416), (672, 382890), (720, 357364), (840, 306312), (960, 268023), (1008, 255260), (1120, 229734), (1260, 204208), (1344, 191445), (1440, 178682), (1680, 153156), (2016, 127630), (2240, 114867), (2520, 102104), (2880, 89341), (3360, 76578), (4032, 63815), (5040, 51052), (6720, 38289), (10080, 25526), (12763, 20160)]