345612800

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 966104832

約数和(自身を除く): 620492032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 67, 80, 100, 104, 124, 128, 130, 134, 155, 160, 200, 208, 248, 256, 260, 268, 310, 320, 325, 335, 400, 403, 416, 496, 512, 520, 536, 620, 640, 650, 670, 775, 800, 806, 832, 871, 992, 1040, 1072, 1240, 1280, 1300, 1340, 1550, 1600, 1612, 1664, 1675, 1742, 1984, 2015, 2077, 2080, 2144, 2480, 2560, 2600, 2680, 3100, 3200, 3224, 3328, 3350, 3484, 3968, 4030, 4154, 4160, 4288, 4355, 4960, 5200, 5360, 6200, 6400, 6448, 6656, 6700, 6968, 7936, 8060, 8308, 8320, 8576, 8710, 9920, 10075, 10385, 10400, 10720, 12400, 12800, 12896, 13400, 13936, 15872, 16120, 16616, 16640, 17152, 17420, 19840, 20150, 20770, 20800, 21440, 21775, 24800, 25792, 26800, 27001, 27872, 32240, 33232, 33280, 34304, 34840, 39680, 40300, 41540, 41600, 42880, 43550, 49600, 51584, 51925, 53600, 54002, 55744, 64480, 66464, 69680, 79360, 80600, 83080, 83200, 85760, 87100, 99200, 103168, 103850, 107200, 108004, 111488, 128960, 132928, 135005, 139360, 161200, 166160, 166400, 171520, 174200, 198400, 206336, 207700, 214400, 216008, 222976, 257920, 265856, 270010, 278720, 322400, 332320, 348400, 396800, 415400, 428800, 432016, 445952, 515840, 531712, 540020, 557440, 644800, 664640, 675025, 696800, 830800, 857600, 864032, 1031680, 1063424, 1080040, 1114880, 1289600, 1329280, 1350050, 1393600, 1661600, 1728064, 2160080, 2229760, 2579200, 2658560, 2700100, 2787200, 3323200, 3456128, 4320160, 5158400, 5317120, 5400200, 5574400, 6646400, 6912256, 8640320, 10800400, 11148800, 13292800, 13824512, 17280640, 21600800, 26585600, 34561280, 43201600, 69122560, 86403200, 172806400, 345612800]

約数ペア:

[(1, 345612800), (2, 172806400), (4, 86403200), (5, 69122560), (8, 43201600), (10, 34561280), (13, 26585600), (16, 21600800), (20, 17280640), (25, 13824512), (26, 13292800), (31, 11148800), (32, 10800400), (40, 8640320), (50, 6912256), (52, 6646400), (62, 5574400), (64, 5400200), (65, 5317120), (67, 5158400), (80, 4320160), (100, 3456128), (104, 3323200), (124, 2787200), (128, 2700100), (130, 2658560), (134, 2579200), (155, 2229760), (160, 2160080), (200, 1728064), (208, 1661600), (248, 1393600), (256, 1350050), (260, 1329280), (268, 1289600), (310, 1114880), (320, 1080040), (325, 1063424), (335, 1031680), (400, 864032), (403, 857600), (416, 830800), (496, 696800), (512, 675025), (520, 664640), (536, 644800), (620, 557440), (640, 540020), (650, 531712), (670, 515840), (775, 445952), (800, 432016), (806, 428800), (832, 415400), (871, 396800), (992, 348400), (1040, 332320), (1072, 322400), (1240, 278720), (1280, 270010), (1300, 265856), (1340, 257920), (1550, 222976), (1600, 216008), (1612, 214400), (1664, 207700), (1675, 206336), (1742, 198400), (1984, 174200), (2015, 171520), (2077, 166400), (2080, 166160), (2144, 161200), (2480, 139360), (2560, 135005), (2600, 132928), (2680, 128960), (3100, 111488), (3200, 108004), (3224, 107200), (3328, 103850), (3350, 103168), (3484, 99200), (3968, 87100), (4030, 85760), (4154, 83200), (4160, 83080), (4288, 80600), (4355, 79360), (4960, 69680), (5200, 66464), (5360, 64480), (6200, 55744), (6400, 54002), (6448, 53600), (6656, 51925), (6700, 51584), (6968, 49600), (7936, 43550), (8060, 42880), (8308, 41600), (8320, 41540), (8576, 40300), (8710, 39680), (9920, 34840), (10075, 34304), (10385, 33280), (10400, 33232), (10720, 32240), (12400, 27872), (12800, 27001), (12896, 26800), (13400, 25792), (13936, 24800), (15872, 21775), (16120, 21440), (16616, 20800), (16640, 20770), (17152, 20150), (17420, 19840)]