15960000

素因数分解:

$2^6\times 3^1\times 5^4\times 7^1\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 280

約数和(自身を含む): 63479680

約数和(自身を除く): 47519680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 25, 28, 30, 32, 35, 38, 40, 42, 48, 50, 56, 57, 60, 64, 70, 75, 76, 80, 84, 95, 96, 100, 105, 112, 114, 120, 125, 133, 140, 150, 152, 160, 168, 175, 190, 192, 200, 210, 224, 228, 240, 250, 266, 280, 285, 300, 304, 320, 336, 350, 375, 380, 399, 400, 420, 448, 456, 475, 480, 500, 525, 532, 560, 570, 600, 608, 625, 665, 672, 700, 750, 760, 798, 800, 840, 875, 912, 950, 960, 1000, 1050, 1064, 1120, 1140, 1200, 1216, 1250, 1330, 1344, 1400, 1425, 1500, 1520, 1596, 1600, 1680, 1750, 1824, 1875, 1900, 1995, 2000, 2100, 2128, 2240, 2280, 2375, 2400, 2500, 2625, 2660, 2800, 2850, 3000, 3040, 3192, 3325, 3360, 3500, 3648, 3750, 3800, 3990, 4000, 4200, 4256, 4375, 4560, 4750, 4800, 5000, 5250, 5320, 5600, 5700, 6000, 6080, 6384, 6650, 6720, 7000, 7125, 7500, 7600, 7980, 8000, 8400, 8512, 8750, 9120, 9500, 9975, 10000, 10500, 10640, 11200, 11400, 11875, 12000, 12768, 13125, 13300, 14000, 14250, 15000, 15200, 15960, 16625, 16800, 17500, 18240, 19000, 19950, 20000, 21000, 21280, 22800, 23750, 24000, 25536, 26250, 26600, 28000, 28500, 30000, 30400, 31920, 33250, 33600, 35000, 35625, 38000, 39900, 40000, 42000, 42560, 45600, 47500, 49875, 52500, 53200, 56000, 57000, 60000, 63840, 66500, 70000, 71250, 76000, 79800, 83125, 84000, 91200, 95000, 99750, 105000, 106400, 114000, 120000, 127680, 133000, 140000, 142500, 152000, 159600, 166250, 168000, 190000, 199500, 210000, 212800, 228000, 249375, 266000, 280000, 285000, 319200, 332500, 380000, 399000, 420000, 456000, 498750, 532000, 570000, 638400, 665000, 760000, 798000, 840000, 997500, 1064000, 1140000, 1330000, 1596000, 1995000, 2280000, 2660000, 3192000, 3990000, 5320000, 7980000, 15960000]

約数ペア:

[(1, 15960000), (2, 7980000), (3, 5320000), (4, 3990000), (5, 3192000), (6, 2660000), (7, 2280000), (8, 1995000), (10, 1596000), (12, 1330000), (14, 1140000), (15, 1064000), (16, 997500), (19, 840000), (20, 798000), (21, 760000), (24, 665000), (25, 638400), (28, 570000), (30, 532000), (32, 498750), (35, 456000), (38, 420000), (40, 399000), (42, 380000), (48, 332500), (50, 319200), (56, 285000), (57, 280000), (60, 266000), (64, 249375), (70, 228000), (75, 212800), (76, 210000), (80, 199500), (84, 190000), (95, 168000), (96, 166250), (100, 159600), (105, 152000), (112, 142500), (114, 140000), (120, 133000), (125, 127680), (133, 120000), (140, 114000), (150, 106400), (152, 105000), (160, 99750), (168, 95000), (175, 91200), (190, 84000), (192, 83125), (200, 79800), (210, 76000), (224, 71250), (228, 70000), (240, 66500), (250, 63840), (266, 60000), (280, 57000), (285, 56000), (300, 53200), (304, 52500), (320, 49875), (336, 47500), (350, 45600), (375, 42560), (380, 42000), (399, 40000), (400, 39900), (420, 38000), (448, 35625), (456, 35000), (475, 33600), (480, 33250), (500, 31920), (525, 30400), (532, 30000), (560, 28500), (570, 28000), (600, 26600), (608, 26250), (625, 25536), (665, 24000), (672, 23750), (700, 22800), (750, 21280), (760, 21000), (798, 20000), (800, 19950), (840, 19000), (875, 18240), (912, 17500), (950, 16800), (960, 16625), (1000, 15960), (1050, 15200), (1064, 15000), (1120, 14250), (1140, 14000), (1200, 13300), (1216, 13125), (1250, 12768), (1330, 12000), (1344, 11875), (1400, 11400), (1425, 11200), (1500, 10640), (1520, 10500), (1596, 10000), (1600, 9975), (1680, 9500), (1750, 9120), (1824, 8750), (1875, 8512), (1900, 8400), (1995, 8000), (2000, 7980), (2100, 7600), (2128, 7500), (2240, 7125), (2280, 7000), (2375, 6720), (2400, 6650), (2500, 6384), (2625, 6080), (2660, 6000), (2800, 5700), (2850, 5600), (3000, 5320), (3040, 5250), (3192, 5000), (3325, 4800), (3360, 4750), (3500, 4560), (3648, 4375), (3750, 4256), (3800, 4200), (3990, 4000)]