217078920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 192

約数和(自身を含む): 752544000

約数和(自身を除く): 535465080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 239, 261, 270, 290, 348, 360, 435, 478, 522, 540, 580, 696, 717, 783, 841, 870, 956, 1044, 1080, 1160, 1195, 1305, 1434, 1566, 1682, 1740, 1912, 2088, 2151, 2390, 2523, 2610, 2868, 3132, 3364, 3480, 3585, 3915, 4205, 4302, 4780, 5046, 5220, 5736, 6264, 6453, 6728, 6931, 7170, 7569, 7830, 8410, 8604, 9560, 10092, 10440, 10755, 12615, 12906, 13862, 14340, 15138, 15660, 16820, 17208, 20184, 20793, 21510, 22707, 25230, 25812, 27724, 28680, 30276, 31320, 32265, 33640, 34655, 37845, 41586, 43020, 45414, 50460, 51624, 55448, 60552, 62379, 64530, 69310, 75690, 83172, 86040, 90828, 100920, 103965, 113535, 124758, 129060, 138620, 151380, 166344, 181656, 187137, 200999, 207930, 227070, 249516, 258120, 277240, 302760, 311895, 374274, 401998, 415860, 454140, 499032, 602997, 623790, 748548, 803996, 831720, 908280, 935685, 1004995, 1205994, 1247580, 1497096, 1607992, 1808991, 1871370, 2009990, 2411988, 2495160, 3014985, 3617982, 3742740, 4019980, 4823976, 5426973, 6029970, 7235964, 7485480, 8039960, 9044955, 10853946, 12059940, 14471928, 18089910, 21707892, 24119880, 27134865, 36179820, 43415784, 54269730, 72359640, 108539460, 217078920]

約数ペア:

[(1, 217078920), (2, 108539460), (3, 72359640), (4, 54269730), (5, 43415784), (6, 36179820), (8, 27134865), (9, 24119880), (10, 21707892), (12, 18089910), (15, 14471928), (18, 12059940), (20, 10853946), (24, 9044955), (27, 8039960), (29, 7485480), (30, 7235964), (36, 6029970), (40, 5426973), (45, 4823976), (54, 4019980), (58, 3742740), (60, 3617982), (72, 3014985), (87, 2495160), (90, 2411988), (108, 2009990), (116, 1871370), (120, 1808991), (135, 1607992), (145, 1497096), (174, 1247580), (180, 1205994), (216, 1004995), (232, 935685), (239, 908280), (261, 831720), (270, 803996), (290, 748548), (348, 623790), (360, 602997), (435, 499032), (478, 454140), (522, 415860), (540, 401998), (580, 374274), (696, 311895), (717, 302760), (783, 277240), (841, 258120), (870, 249516), (956, 227070), (1044, 207930), (1080, 200999), (1160, 187137), (1195, 181656), (1305, 166344), (1434, 151380), (1566, 138620), (1682, 129060), (1740, 124758), (1912, 113535), (2088, 103965), (2151, 100920), (2390, 90828), (2523, 86040), (2610, 83172), (2868, 75690), (3132, 69310), (3364, 64530), (3480, 62379), (3585, 60552), (3915, 55448), (4205, 51624), (4302, 50460), (4780, 45414), (5046, 43020), (5220, 41586), (5736, 37845), (6264, 34655), (6453, 33640), (6728, 32265), (6931, 31320), (7170, 30276), (7569, 28680), (7830, 27724), (8410, 25812), (8604, 25230), (9560, 22707), (10092, 21510), (10440, 20793), (10755, 20184), (12615, 17208), (12906, 16820), (13862, 15660), (14340, 15138)]