309399840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 288

約数和(自身を含む): 1132185600

約数和(自身を除く): 822785760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 31, 32, 36, 40, 45, 48, 58, 60, 62, 72, 80, 87, 90, 93, 96, 116, 120, 124, 144, 145, 155, 160, 174, 180, 186, 232, 239, 240, 248, 261, 279, 288, 290, 310, 348, 360, 372, 435, 464, 465, 478, 480, 496, 522, 558, 580, 620, 696, 717, 720, 744, 870, 899, 928, 930, 956, 992, 1044, 1116, 1160, 1195, 1240, 1305, 1392, 1395, 1434, 1440, 1488, 1740, 1798, 1860, 1912, 2088, 2151, 2232, 2320, 2390, 2480, 2610, 2697, 2784, 2790, 2868, 2976, 3480, 3585, 3596, 3720, 3824, 4176, 4302, 4464, 4495, 4640, 4780, 4960, 5220, 5394, 5580, 5736, 6931, 6960, 7170, 7192, 7409, 7440, 7648, 8091, 8352, 8604, 8928, 8990, 9560, 10440, 10755, 10788, 11160, 11472, 13485, 13862, 13920, 14340, 14384, 14818, 14880, 16182, 17208, 17980, 19120, 20793, 20880, 21510, 21576, 22227, 22320, 22944, 26970, 27724, 28680, 28768, 29636, 32364, 34416, 34655, 35960, 37045, 38240, 40455, 41586, 41760, 43020, 43152, 44454, 44640, 53940, 55448, 57360, 59272, 62379, 64728, 66681, 68832, 69310, 71920, 74090, 80910, 83172, 86040, 86304, 88908, 103965, 107880, 110896, 111135, 114720, 118544, 124758, 129456, 133362, 138620, 143840, 148180, 161820, 166344, 172080, 177816, 207930, 214861, 215760, 221792, 222270, 237088, 249516, 258912, 266724, 277240, 296360, 311895, 323640, 332688, 333405, 344160, 355632, 415860, 429722, 431520, 444540, 499032, 533448, 554480, 592720, 623790, 644583, 647280, 665376, 666810, 711264, 831720, 859444, 889080, 998064, 1066896, 1074305, 1108960, 1185440, 1247580, 1289166, 1294560, 1333620, 1663440, 1718888, 1778160, 1933749, 1996128, 2133792, 2148610, 2495160, 2578332, 2667240, 3222915, 3326880, 3437776, 3556320, 3867498, 4297220, 4990320, 5156664, 5334480, 6445830, 6875552, 7734996, 8594440, 9668745, 9980640, 10313328, 10668960, 12891660, 15469992, 17188880, 19337490, 20626656, 25783320, 30939984, 34377760, 38674980, 51566640, 61879968, 77349960, 103133280, 154699920, 309399840]

約数ペア:

[(1, 309399840), (2, 154699920), (3, 103133280), (4, 77349960), (5, 61879968), (6, 51566640), (8, 38674980), (9, 34377760), (10, 30939984), (12, 25783320), (15, 20626656), (16, 19337490), (18, 17188880), (20, 15469992), (24, 12891660), (29, 10668960), (30, 10313328), (31, 9980640), (32, 9668745), (36, 8594440), (40, 7734996), (45, 6875552), (48, 6445830), (58, 5334480), (60, 5156664), (62, 4990320), (72, 4297220), (80, 3867498), (87, 3556320), (90, 3437776), (93, 3326880), (96, 3222915), (116, 2667240), (120, 2578332), (124, 2495160), (144, 2148610), (145, 2133792), (155, 1996128), (160, 1933749), (174, 1778160), (180, 1718888), (186, 1663440), (232, 1333620), (239, 1294560), (240, 1289166), (248, 1247580), (261, 1185440), (279, 1108960), (288, 1074305), (290, 1066896), (310, 998064), (348, 889080), (360, 859444), (372, 831720), (435, 711264), (464, 666810), (465, 665376), (478, 647280), (480, 644583), (496, 623790), (522, 592720), (558, 554480), (580, 533448), (620, 499032), (696, 444540), (717, 431520), (720, 429722), (744, 415860), (870, 355632), (899, 344160), (928, 333405), (930, 332688), (956, 323640), (992, 311895), (1044, 296360), (1116, 277240), (1160, 266724), (1195, 258912), (1240, 249516), (1305, 237088), (1392, 222270), (1395, 221792), (1434, 215760), (1440, 214861), (1488, 207930), (1740, 177816), (1798, 172080), (1860, 166344), (1912, 161820), (2088, 148180), (2151, 143840), (2232, 138620), (2320, 133362), (2390, 129456), (2480, 124758), (2610, 118544), (2697, 114720), (2784, 111135), (2790, 110896), (2868, 107880), (2976, 103965), (3480, 88908), (3585, 86304), (3596, 86040), (3720, 83172), (3824, 80910), (4176, 74090), (4302, 71920), (4464, 69310), (4495, 68832), (4640, 66681), (4780, 64728), (4960, 62379), (5220, 59272), (5394, 57360), (5580, 55448), (5736, 53940), (6931, 44640), (6960, 44454), (7170, 43152), (7192, 43020), (7409, 41760), (7440, 41586), (7648, 40455), (8091, 38240), (8352, 37045), (8604, 35960), (8928, 34655), (8990, 34416), (9560, 32364), (10440, 29636), (10755, 28768), (10788, 28680), (11160, 27724), (11472, 26970), (13485, 22944), (13862, 22320), (13920, 22227), (14340, 21576), (14384, 21510), (14818, 20880), (14880, 20793), (16182, 19120), (17208, 17980)]