260981280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1523}}^1$

素因数の和:1568

約数の個数: 288

約数和(自身を含む): 1078406784

約数和(自身を除く): 817425504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 336, 340, 357, 360, 408, 420, 476, 480, 504, 510, 544, 560, 595, 612, 630, 672, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1120, 1190, 1224, 1260, 1360, 1428, 1440, 1523, 1530, 1632, 1680, 1785, 1904, 2016, 2040, 2142, 2380, 2448, 2520, 2720, 2856, 3046, 3060, 3360, 3570, 3808, 4080, 4284, 4569, 4760, 4896, 5040, 5355, 5712, 6092, 6120, 7140, 7615, 8160, 8568, 9138, 9520, 10080, 10661, 10710, 11424, 12184, 12240, 13707, 14280, 15230, 17136, 18276, 19040, 21322, 21420, 22845, 24368, 24480, 25891, 27414, 28560, 30460, 31983, 34272, 36552, 42644, 42840, 45690, 48736, 51782, 53305, 54828, 57120, 60920, 63966, 68535, 73104, 77673, 85288, 85680, 91380, 95949, 103564, 106610, 109656, 121840, 127932, 129455, 137070, 146208, 155346, 159915, 170576, 171360, 181237, 182760, 191898, 207128, 213220, 219312, 233019, 243680, 255864, 258910, 274140, 310692, 319830, 341152, 362474, 365520, 383796, 388365, 414256, 426440, 438624, 466038, 479745, 511728, 517820, 543711, 548280, 621384, 639660, 724948, 731040, 767592, 776730, 828512, 852880, 906185, 932076, 959490, 1023456, 1035640, 1087422, 1096560, 1165095, 1242768, 1279320, 1449896, 1535184, 1553460, 1631133, 1705760, 1812370, 1864152, 1918980, 2071280, 2174844, 2193120, 2330190, 2485536, 2558640, 2718555, 2899792, 3070368, 3106920, 3262266, 3624740, 3728304, 3837960, 4142560, 4349688, 4660380, 5117280, 5437110, 5799584, 6213840, 6524532, 7249480, 7456608, 7675920, 8155665, 8699376, 9320760, 10874220, 12427680, 13049064, 14498960, 15351840, 16311330, 17398752, 18641520, 21748440, 26098128, 28997920, 32622660, 37283040, 43496880, 52196256, 65245320, 86993760, 130490640, 260981280]

約数ペア:

[(1, 260981280), (2, 130490640), (3, 86993760), (4, 65245320), (5, 52196256), (6, 43496880), (7, 37283040), (8, 32622660), (9, 28997920), (10, 26098128), (12, 21748440), (14, 18641520), (15, 17398752), (16, 16311330), (17, 15351840), (18, 14498960), (20, 13049064), (21, 12427680), (24, 10874220), (28, 9320760), (30, 8699376), (32, 8155665), (34, 7675920), (35, 7456608), (36, 7249480), (40, 6524532), (42, 6213840), (45, 5799584), (48, 5437110), (51, 5117280), (56, 4660380), (60, 4349688), (63, 4142560), (68, 3837960), (70, 3728304), (72, 3624740), (80, 3262266), (84, 3106920), (85, 3070368), (90, 2899792), (96, 2718555), (102, 2558640), (105, 2485536), (112, 2330190), (119, 2193120), (120, 2174844), (126, 2071280), (136, 1918980), (140, 1864152), (144, 1812370), (153, 1705760), (160, 1631133), (168, 1553460), (170, 1535184), (180, 1449896), (204, 1279320), (210, 1242768), (224, 1165095), (238, 1096560), (240, 1087422), (252, 1035640), (255, 1023456), (272, 959490), (280, 932076), (288, 906185), (306, 852880), (315, 828512), (336, 776730), (340, 767592), (357, 731040), (360, 724948), (408, 639660), (420, 621384), (476, 548280), (480, 543711), (504, 517820), (510, 511728), (544, 479745), (560, 466038), (595, 438624), (612, 426440), (630, 414256), (672, 388365), (680, 383796), (714, 365520), (720, 362474), (765, 341152), (816, 319830), (840, 310692), (952, 274140), (1008, 258910), (1020, 255864), (1071, 243680), (1120, 233019), (1190, 219312), (1224, 213220), (1260, 207128), (1360, 191898), (1428, 182760), (1440, 181237), (1523, 171360), (1530, 170576), (1632, 159915), (1680, 155346), (1785, 146208), (1904, 137070), (2016, 129455), (2040, 127932), (2142, 121840), (2380, 109656), (2448, 106610), (2520, 103564), (2720, 95949), (2856, 91380), (3046, 85680), (3060, 85288), (3360, 77673), (3570, 73104), (3808, 68535), (4080, 63966), (4284, 60920), (4569, 57120), (4760, 54828), (4896, 53305), (5040, 51782), (5355, 48736), (5712, 45690), (6092, 42840), (6120, 42644), (7140, 36552), (7615, 34272), (8160, 31983), (8568, 30460), (9138, 28560), (9520, 27414), (10080, 25891), (10661, 24480), (10710, 24368), (11424, 22845), (12184, 21420), (12240, 21322), (13707, 19040), (14280, 18276), (15230, 17136)]