20931840720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{2647}}^1$

素因数の和:3199

約数の個数: 320

約数和(自身を含む): 82587095040

約数和(自身を除く): 61655254320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 523, 540, 560, 630, 720, 756, 840, 945, 1008, 1046, 1080, 1260, 1512, 1569, 1680, 1890, 2092, 2160, 2520, 2615, 2647, 3024, 3138, 3661, 3780, 4184, 4707, 5040, 5230, 5294, 6276, 7322, 7560, 7845, 7941, 8368, 9414, 10460, 10588, 10983, 12552, 13235, 14121, 14644, 15120, 15690, 15882, 18305, 18529, 18828, 20920, 21176, 21966, 23535, 23823, 25104, 26470, 28242, 29288, 31380, 31764, 32949, 36610, 37058, 37656, 39705, 41840, 42352, 43932, 47070, 47646, 52940, 54915, 55587, 56484, 58576, 62760, 63528, 65898, 70605, 71469, 73220, 74116, 75312, 79410, 87864, 92645, 94140, 95292, 98847, 105880, 109830, 111174, 112968, 119115, 125520, 127056, 131796, 141210, 142938, 146440, 148232, 158820, 164745, 166761, 175728, 185290, 188280, 190584, 197694, 211760, 219660, 222348, 225936, 238230, 263592, 277935, 282420, 285876, 292880, 296464, 317640, 329490, 333522, 357345, 370580, 376560, 381168, 395388, 439320, 444696, 476460, 494235, 500283, 527184, 555870, 564840, 571752, 635280, 658980, 667044, 714690, 741160, 790776, 833805, 878640, 889392, 952920, 988470, 1000566, 1111740, 1129680, 1143504, 1317960, 1334088, 1384381, 1429380, 1482320, 1581552, 1667610, 1905840, 1976940, 2001132, 2223480, 2501415, 2635920, 2668176, 2768762, 2858760, 3335220, 3953880, 4002264, 4153143, 4446960, 5002830, 5537524, 5717520, 6670440, 6921905, 7907760, 8004528, 8306286, 9690667, 10005660, 11075048, 12459429, 13340880, 13843810, 16612572, 19381334, 20011320, 20765715, 22150096, 24918858, 27687620, 29072001, 33225144, 37378287, 38762668, 40022640, 41531430, 48453335, 49837716, 55375240, 58144002, 62297145, 66450288, 74756574, 77525336, 83062860, 87216003, 96906670, 99675432, 110750480, 116288004, 124594290, 145360005, 149513148, 155050672, 166125720, 174432006, 186891435, 193813340, 199350864, 232576008, 249188580, 261648009, 290720010, 299026296, 332251440, 348864012, 373782870, 387626680, 436080015, 465152016, 498377160, 523296018, 581440020, 598052592, 697728024, 747565740, 775253360, 872160030, 996754320, 1046592036, 1162880040, 1308240045, 1395456048, 1495131480, 1744320060, 2093184072, 2325760080, 2616480090, 2990262960, 3488640120, 4186368144, 5232960180, 6977280240, 10465920360, 20931840720]

約数ペア:

[(1, 20931840720), (2, 10465920360), (3, 6977280240), (4, 5232960180), (5, 4186368144), (6, 3488640120), (7, 2990262960), (8, 2616480090), (9, 2325760080), (10, 2093184072), (12, 1744320060), (14, 1495131480), (15, 1395456048), (16, 1308240045), (18, 1162880040), (20, 1046592036), (21, 996754320), (24, 872160030), (27, 775253360), (28, 747565740), (30, 697728024), (35, 598052592), (36, 581440020), (40, 523296018), (42, 498377160), (45, 465152016), (48, 436080015), (54, 387626680), (56, 373782870), (60, 348864012), (63, 332251440), (70, 299026296), (72, 290720010), (80, 261648009), (84, 249188580), (90, 232576008), (105, 199350864), (108, 193813340), (112, 186891435), (120, 174432006), (126, 166125720), (135, 155050672), (140, 149513148), (144, 145360005), (168, 124594290), (180, 116288004), (189, 110750480), (210, 99675432), (216, 96906670), (240, 87216003), (252, 83062860), (270, 77525336), (280, 74756574), (315, 66450288), (336, 62297145), (360, 58144002), (378, 55375240), (420, 49837716), (432, 48453335), (504, 41531430), (523, 40022640), (540, 38762668), (560, 37378287), (630, 33225144), (720, 29072001), (756, 27687620), (840, 24918858), (945, 22150096), (1008, 20765715), (1046, 20011320), (1080, 19381334), (1260, 16612572), (1512, 13843810), (1569, 13340880), (1680, 12459429), (1890, 11075048), (2092, 10005660), (2160, 9690667), (2520, 8306286), (2615, 8004528), (2647, 7907760), (3024, 6921905), (3138, 6670440), (3661, 5717520), (3780, 5537524), (4184, 5002830), (4707, 4446960), (5040, 4153143), (5230, 4002264), (5294, 3953880), (6276, 3335220), (7322, 2858760), (7560, 2768762), (7845, 2668176), (7941, 2635920), (8368, 2501415), (9414, 2223480), (10460, 2001132), (10588, 1976940), (10983, 1905840), (12552, 1667610), (13235, 1581552), (14121, 1482320), (14644, 1429380), (15120, 1384381), (15690, 1334088), (15882, 1317960), (18305, 1143504), (18529, 1129680), (18828, 1111740), (20920, 1000566), (21176, 988470), (21966, 952920), (23535, 889392), (23823, 878640), (25104, 833805), (26470, 790776), (28242, 741160), (29288, 714690), (31380, 667044), (31764, 658980), (32949, 635280), (36610, 571752), (37058, 564840), (37656, 555870), (39705, 527184), (41840, 500283), (42352, 494235), (43932, 476460), (47070, 444696), (47646, 439320), (52940, 395388), (54915, 381168), (55587, 376560), (56484, 370580), (58576, 357345), (62760, 333522), (63528, 329490), (65898, 317640), (70605, 296464), (71469, 292880), (73220, 285876), (74116, 282420), (75312, 277935), (79410, 263592), (87864, 238230), (92645, 225936), (94140, 222348), (95292, 219660), (98847, 211760), (105880, 197694), (109830, 190584), (111174, 188280), (112968, 185290), (119115, 175728), (125520, 166761), (127056, 164745), (131796, 158820), (141210, 148232), (142938, 146440)]