12720000

素因数分解:

$2^7\times 3^1\times 5^4\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 160

約数和(自身を含む): 43017480

約数和(自身を除く): 30297480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 53, 60, 64, 75, 80, 96, 100, 106, 120, 125, 128, 150, 159, 160, 192, 200, 212, 240, 250, 265, 300, 318, 320, 375, 384, 400, 424, 480, 500, 530, 600, 625, 636, 640, 750, 795, 800, 848, 960, 1000, 1060, 1200, 1250, 1272, 1325, 1500, 1590, 1600, 1696, 1875, 1920, 2000, 2120, 2400, 2500, 2544, 2650, 3000, 3180, 3200, 3392, 3750, 3975, 4000, 4240, 4800, 5000, 5088, 5300, 6000, 6360, 6625, 6784, 7500, 7950, 8000, 8480, 9600, 10000, 10176, 10600, 12000, 12720, 13250, 15000, 15900, 16000, 16960, 19875, 20000, 20352, 21200, 24000, 25440, 26500, 30000, 31800, 33125, 33920, 39750, 40000, 42400, 48000, 50880, 53000, 60000, 63600, 66250, 79500, 80000, 84800, 99375, 101760, 106000, 120000, 127200, 132500, 159000, 169600, 198750, 212000, 240000, 254400, 265000, 318000, 397500, 424000, 508800, 530000, 636000, 795000, 848000, 1060000, 1272000, 1590000, 2120000, 2544000, 3180000, 4240000, 6360000, 12720000]

約数ペア:

[(1, 12720000), (2, 6360000), (3, 4240000), (4, 3180000), (5, 2544000), (6, 2120000), (8, 1590000), (10, 1272000), (12, 1060000), (15, 848000), (16, 795000), (20, 636000), (24, 530000), (25, 508800), (30, 424000), (32, 397500), (40, 318000), (48, 265000), (50, 254400), (53, 240000), (60, 212000), (64, 198750), (75, 169600), (80, 159000), (96, 132500), (100, 127200), (106, 120000), (120, 106000), (125, 101760), (128, 99375), (150, 84800), (159, 80000), (160, 79500), (192, 66250), (200, 63600), (212, 60000), (240, 53000), (250, 50880), (265, 48000), (300, 42400), (318, 40000), (320, 39750), (375, 33920), (384, 33125), (400, 31800), (424, 30000), (480, 26500), (500, 25440), (530, 24000), (600, 21200), (625, 20352), (636, 20000), (640, 19875), (750, 16960), (795, 16000), (800, 15900), (848, 15000), (960, 13250), (1000, 12720), (1060, 12000), (1200, 10600), (1250, 10176), (1272, 10000), (1325, 9600), (1500, 8480), (1590, 8000), (1600, 7950), (1696, 7500), (1875, 6784), (1920, 6625), (2000, 6360), (2120, 6000), (2400, 5300), (2500, 5088), (2544, 5000), (2650, 4800), (3000, 4240), (3180, 4000), (3200, 3975), (3392, 3750)]