217339920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1487}}^1$

素因数の和:1542

約数の個数: 240

約数和(自身を含む): 863516160

約数和(自身を除く): 646176240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 105, 112, 116, 120, 126, 140, 144, 145, 168, 174, 180, 203, 210, 232, 240, 252, 261, 280, 290, 315, 336, 348, 360, 406, 420, 435, 464, 504, 522, 560, 580, 609, 630, 696, 720, 812, 840, 870, 1008, 1015, 1044, 1160, 1218, 1260, 1305, 1392, 1487, 1624, 1680, 1740, 1827, 2030, 2088, 2320, 2436, 2520, 2610, 2974, 3045, 3248, 3480, 3654, 4060, 4176, 4461, 4872, 5040, 5220, 5948, 6090, 6960, 7308, 7435, 8120, 8922, 9135, 9744, 10409, 10440, 11896, 12180, 13383, 14616, 14870, 16240, 17844, 18270, 20818, 20880, 22305, 23792, 24360, 26766, 29232, 29740, 31227, 35688, 36540, 41636, 43123, 44610, 48720, 52045, 53532, 59480, 62454, 66915, 71376, 73080, 83272, 86246, 89220, 93681, 104090, 107064, 118960, 124908, 129369, 133830, 146160, 156135, 166544, 172492, 178440, 187362, 208180, 214128, 215615, 249816, 258738, 267660, 301861, 312270, 344984, 356880, 374724, 388107, 416360, 431230, 468405, 499632, 517476, 535320, 603722, 624540, 646845, 689968, 749448, 776214, 832720, 862460, 905583, 936810, 1034952, 1070640, 1207444, 1249080, 1293690, 1498896, 1509305, 1552428, 1724920, 1811166, 1873620, 1940535, 2069904, 2414888, 2498160, 2587380, 2716749, 3018610, 3104856, 3449840, 3622332, 3747240, 3881070, 4527915, 4829776, 5174760, 5433498, 6037220, 6209712, 7244664, 7494480, 7762140, 9055830, 10349520, 10866996, 12074440, 13583745, 14489328, 15524280, 18111660, 21733992, 24148880, 27167490, 31048560, 36223320, 43467984, 54334980, 72446640, 108669960, 217339920]

約数ペア:

[(1, 217339920), (2, 108669960), (3, 72446640), (4, 54334980), (5, 43467984), (6, 36223320), (7, 31048560), (8, 27167490), (9, 24148880), (10, 21733992), (12, 18111660), (14, 15524280), (15, 14489328), (16, 13583745), (18, 12074440), (20, 10866996), (21, 10349520), (24, 9055830), (28, 7762140), (29, 7494480), (30, 7244664), (35, 6209712), (36, 6037220), (40, 5433498), (42, 5174760), (45, 4829776), (48, 4527915), (56, 3881070), (58, 3747240), (60, 3622332), (63, 3449840), (70, 3104856), (72, 3018610), (80, 2716749), (84, 2587380), (87, 2498160), (90, 2414888), (105, 2069904), (112, 1940535), (116, 1873620), (120, 1811166), (126, 1724920), (140, 1552428), (144, 1509305), (145, 1498896), (168, 1293690), (174, 1249080), (180, 1207444), (203, 1070640), (210, 1034952), (232, 936810), (240, 905583), (252, 862460), (261, 832720), (280, 776214), (290, 749448), (315, 689968), (336, 646845), (348, 624540), (360, 603722), (406, 535320), (420, 517476), (435, 499632), (464, 468405), (504, 431230), (522, 416360), (560, 388107), (580, 374724), (609, 356880), (630, 344984), (696, 312270), (720, 301861), (812, 267660), (840, 258738), (870, 249816), (1008, 215615), (1015, 214128), (1044, 208180), (1160, 187362), (1218, 178440), (1260, 172492), (1305, 166544), (1392, 156135), (1487, 146160), (1624, 133830), (1680, 129369), (1740, 124908), (1827, 118960), (2030, 107064), (2088, 104090), (2320, 93681), (2436, 89220), (2520, 86246), (2610, 83272), (2974, 73080), (3045, 71376), (3248, 66915), (3480, 62454), (3654, 59480), (4060, 53532), (4176, 52045), (4461, 48720), (4872, 44610), (5040, 43123), (5220, 41636), (5948, 36540), (6090, 35688), (6960, 31227), (7308, 29740), (7435, 29232), (8120, 26766), (8922, 24360), (9135, 23792), (9744, 22305), (10409, 20880), (10440, 20818), (11896, 18270), (12180, 17844), (13383, 16240), (14616, 14870)]