1665996800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2503}}^1$

素因数の和:2548

約数の個数: 144

約数和(自身を含む): 4450183920

約数和(自身を除く): 2784187120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1024, 1040, 1280, 1300, 1600, 1664, 2048, 2080, 2503, 2560, 2600, 3200, 3328, 4160, 5006, 5120, 5200, 6400, 6656, 8320, 10012, 10240, 10400, 12515, 12800, 13312, 16640, 20024, 20800, 25030, 25600, 26624, 32539, 33280, 40048, 41600, 50060, 51200, 62575, 65078, 66560, 80096, 83200, 100120, 125150, 130156, 133120, 160192, 162695, 166400, 200240, 250300, 260312, 320384, 325390, 332800, 400480, 500600, 520624, 640768, 650780, 665600, 800960, 813475, 1001200, 1041248, 1281536, 1301560, 1601920, 1626950, 2002400, 2082496, 2563072, 2603120, 3203840, 3253900, 4004800, 4164992, 5126144, 5206240, 6407680, 6507800, 8009600, 8329984, 10412480, 12815360, 13015600, 16019200, 16659968, 20824960, 25630720, 26031200, 32038400, 33319936, 41649920, 52062400, 64076800, 66639872, 83299840, 104124800, 128153600, 166599680, 208249600, 333199360, 416499200, 832998400, 1665996800]

約数ペア:

[(1, 1665996800), (2, 832998400), (4, 416499200), (5, 333199360), (8, 208249600), (10, 166599680), (13, 128153600), (16, 104124800), (20, 83299840), (25, 66639872), (26, 64076800), (32, 52062400), (40, 41649920), (50, 33319936), (52, 32038400), (64, 26031200), (65, 25630720), (80, 20824960), (100, 16659968), (104, 16019200), (128, 13015600), (130, 12815360), (160, 10412480), (200, 8329984), (208, 8009600), (256, 6507800), (260, 6407680), (320, 5206240), (325, 5126144), (400, 4164992), (416, 4004800), (512, 3253900), (520, 3203840), (640, 2603120), (650, 2563072), (800, 2082496), (832, 2002400), (1024, 1626950), (1040, 1601920), (1280, 1301560), (1300, 1281536), (1600, 1041248), (1664, 1001200), (2048, 813475), (2080, 800960), (2503, 665600), (2560, 650780), (2600, 640768), (3200, 520624), (3328, 500600), (4160, 400480), (5006, 332800), (5120, 325390), (5200, 320384), (6400, 260312), (6656, 250300), (8320, 200240), (10012, 166400), (10240, 162695), (10400, 160192), (12515, 133120), (12800, 130156), (13312, 125150), (16640, 100120), (20024, 83200), (20800, 80096), (25030, 66560), (25600, 65078), (26624, 62575), (32539, 51200), (33280, 50060), (40048, 41600)]