266979440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 240

約数和(自身を含む): 807448320

約数和(自身を除く): 540468880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 80, 91, 98, 104, 112, 124, 130, 140, 155, 169, 182, 196, 208, 217, 245, 248, 260, 280, 310, 338, 364, 392, 403, 434, 455, 490, 496, 520, 560, 620, 637, 676, 728, 784, 806, 845, 868, 910, 980, 1040, 1085, 1183, 1240, 1274, 1352, 1456, 1519, 1612, 1690, 1736, 1820, 1960, 2015, 2170, 2197, 2366, 2480, 2548, 2704, 2821, 3038, 3185, 3224, 3380, 3472, 3640, 3920, 4030, 4340, 4394, 4732, 5096, 5239, 5642, 5915, 6076, 6370, 6448, 6760, 7280, 7595, 8060, 8281, 8680, 8788, 9464, 10192, 10478, 10985, 11284, 11830, 12152, 12740, 13520, 14105, 15190, 15379, 16120, 16562, 17360, 17576, 18928, 19747, 20956, 21970, 22568, 23660, 24304, 25480, 26195, 28210, 30380, 30758, 32240, 33124, 35152, 36673, 39494, 41405, 41912, 43940, 45136, 47320, 50960, 52390, 56420, 60760, 61516, 66248, 68107, 73346, 76895, 78988, 82810, 83824, 87880, 94640, 98735, 104780, 107653, 112840, 121520, 123032, 132496, 136214, 146692, 153790, 157976, 165620, 175760, 183365, 197470, 209560, 215306, 225680, 246064, 256711, 272428, 293384, 307580, 315952, 331240, 340535, 366730, 394940, 419120, 430612, 476749, 513422, 538265, 544856, 586768, 615160, 662480, 681070, 733460, 789880, 861224, 953498, 1026844, 1076530, 1089712, 1230320, 1283555, 1362140, 1466920, 1579760, 1722448, 1906996, 2053688, 2153060, 2383745, 2567110, 2724280, 2933840, 3337243, 3813992, 4107376, 4306120, 4767490, 5134220, 5448560, 6674486, 7627984, 8612240, 9534980, 10268440, 13348972, 16686215, 19069960, 20536880, 26697944, 33372430, 38139920, 53395888, 66744860, 133489720, 266979440]

約数ペア:

[(1, 266979440), (2, 133489720), (4, 66744860), (5, 53395888), (7, 38139920), (8, 33372430), (10, 26697944), (13, 20536880), (14, 19069960), (16, 16686215), (20, 13348972), (26, 10268440), (28, 9534980), (31, 8612240), (35, 7627984), (40, 6674486), (49, 5448560), (52, 5134220), (56, 4767490), (62, 4306120), (65, 4107376), (70, 3813992), (80, 3337243), (91, 2933840), (98, 2724280), (104, 2567110), (112, 2383745), (124, 2153060), (130, 2053688), (140, 1906996), (155, 1722448), (169, 1579760), (182, 1466920), (196, 1362140), (208, 1283555), (217, 1230320), (245, 1089712), (248, 1076530), (260, 1026844), (280, 953498), (310, 861224), (338, 789880), (364, 733460), (392, 681070), (403, 662480), (434, 615160), (455, 586768), (490, 544856), (496, 538265), (520, 513422), (560, 476749), (620, 430612), (637, 419120), (676, 394940), (728, 366730), (784, 340535), (806, 331240), (845, 315952), (868, 307580), (910, 293384), (980, 272428), (1040, 256711), (1085, 246064), (1183, 225680), (1240, 215306), (1274, 209560), (1352, 197470), (1456, 183365), (1519, 175760), (1612, 165620), (1690, 157976), (1736, 153790), (1820, 146692), (1960, 136214), (2015, 132496), (2170, 123032), (2197, 121520), (2366, 112840), (2480, 107653), (2548, 104780), (2704, 98735), (2821, 94640), (3038, 87880), (3185, 83824), (3224, 82810), (3380, 78988), (3472, 76895), (3640, 73346), (3920, 68107), (4030, 66248), (4340, 61516), (4394, 60760), (4732, 56420), (5096, 52390), (5239, 50960), (5642, 47320), (5915, 45136), (6076, 43940), (6370, 41912), (6448, 41405), (6760, 39494), (7280, 36673), (7595, 35152), (8060, 33124), (8281, 32240), (8680, 30758), (8788, 30380), (9464, 28210), (10192, 26195), (10478, 25480), (10985, 24304), (11284, 23660), (11830, 22568), (12152, 21970), (12740, 20956), (13520, 19747), (14105, 18928), (15190, 17576), (15379, 17360), (16120, 16562)]