81564420960

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 960

約数和(自身を含む): 329642913600

約数和(自身を除く): 248078492640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 29, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 58, 60, 66, 72, 80, 81, 87, 88, 90, 96, 99, 108, 109, 110, 116, 120, 132, 135, 144, 145, 160, 162, 165, 174, 176, 180, 181, 198, 216, 218, 220, 232, 240, 261, 264, 270, 288, 290, 297, 319, 324, 327, 330, 348, 352, 360, 362, 396, 405, 432, 435, 436, 440, 464, 480, 495, 522, 528, 540, 543, 545, 580, 594, 638, 648, 654, 660, 696, 720, 724, 783, 792, 810, 864, 870, 872, 880, 891, 905, 928, 957, 981, 990, 1044, 1056, 1080, 1086, 1090, 1160, 1188, 1199, 1276, 1296, 1305, 1308, 1320, 1392, 1440, 1448, 1485, 1566, 1584, 1595, 1620, 1629, 1635, 1740, 1744, 1760, 1782, 1810, 1914, 1962, 1980, 1991, 2088, 2160, 2172, 2180, 2320, 2349, 2376, 2398, 2552, 2592, 2610, 2616, 2640, 2715, 2784, 2871, 2896, 2943, 2970, 3132, 3161, 3168, 3190, 3240, 3258, 3270, 3480, 3488, 3564, 3597, 3620, 3828, 3915, 3924, 3960, 3982, 4176, 4320, 4344, 4360, 4455, 4640, 4698, 4752, 4785, 4796, 4887, 4905, 5104, 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約数ペア:

[(1, 81564420960), (2, 40782210480), (3, 27188140320), (4, 20391105240), (5, 16312884192), (6, 13594070160), (8, 10195552620), (9, 9062713440), (10, 8156442096), (11, 7414947360), (12, 6797035080), (15, 5437628064), (16, 5097776310), (18, 4531356720), (20, 4078221048), (22, 3707473680), (24, 3398517540), (27, 3020904480), (29, 2812566240), (30, 2718814032), (32, 2548888155), (33, 2471649120), (36, 2265678360), (40, 2039110524), (44, 1853736840), (45, 1812542688), (48, 1699258770), (54, 1510452240), (55, 1482989472), (58, 1406283120), (60, 1359407016), (66, 1235824560), (72, 1132839180), (80, 1019555262), (81, 1006968160), (87, 937522080), (88, 926868420), (90, 906271344), (96, 849629385), (99, 823883040), (108, 755226120), (109, 748297440), (110, 741494736), (116, 703141560), (120, 679703508), (132, 617912280), (135, 604180896), (144, 566419590), (145, 562513248), (160, 509777631), (162, 503484080), (165, 494329824), (174, 468761040), (176, 463434210), (180, 453135672), (181, 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(187920, 434038), (188964, 431640), (189660, 430056), (191136, 426735), (191840, 425169), (194238, 419920), (195480, 417252), (197290, 413424), (206712, 394580), (208626, 390960), (209960, 388476), (215028, 379320), (215820, 377928), (217019, 375840), (227592, 358380), (229680, 355122), (230956, 353160), (234576, 347710), (235440, 346434), (236205, 345312), (236748, 344520), (238920, 341388), (251952, 323730), (252880, 322542), (256041, 318560), (258390, 315664), (258984, 314940), (260640, 312939), (268785, 303456), (275616, 295935), (278168, 293220), (282528, 288695), (283446, 287760), (284490, 286704)]