1272000000

素因数分解:

$2^9\times 3^1\times 5^6\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 280

約数和(自身を含む): 4315726008

約数和(自身を除く): 3043726008

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, 256, 265, 300, 318, 320, 375, 384, 400, 424, 480, 500, 512, 530, 600, 625, 636, 640, 750, 768, 795, 800, 848, 960, 1000, 1060, 1200, 1250, 1272, 1280, 1325, 1500, 1536, 1590, 1600, 1696, 1875, 1920, 2000, 2120, 2400, 2500, 2544, 2560, 2650, 3000, 3125, 3180, 3200, 3392, 3750, 3840, 3975, 4000, 4240, 4800, 5000, 5088, 5300, 6000, 6250, 6360, 6400, 6625, 6784, 7500, 7680, 7950, 8000, 8480, 9375, 9600, 10000, 10176, 10600, 12000, 12500, 12720, 12800, 13250, 13568, 15000, 15625, 15900, 16000, 16960, 18750, 19200, 19875, 20000, 20352, 21200, 24000, 25000, 25440, 26500, 27136, 30000, 31250, 31800, 32000, 33125, 33920, 37500, 38400, 39750, 40000, 40704, 42400, 46875, 48000, 50000, 50880, 53000, 60000, 62500, 63600, 64000, 66250, 67840, 75000, 79500, 80000, 81408, 84800, 93750, 96000, 99375, 100000, 101760, 106000, 120000, 125000, 127200, 132500, 135680, 150000, 159000, 160000, 165625, 169600, 187500, 192000, 198750, 200000, 203520, 212000, 240000, 250000, 254400, 265000, 300000, 318000, 320000, 331250, 339200, 375000, 397500, 400000, 407040, 424000, 480000, 496875, 500000, 508800, 530000, 600000, 636000, 662500, 678400, 750000, 795000, 800000, 828125, 848000, 960000, 993750, 1000000, 1017600, 1060000, 1200000, 1272000, 1325000, 1500000, 1590000, 1600000, 1656250, 1696000, 1987500, 2000000, 2035200, 2120000, 2400000, 2484375, 2544000, 2650000, 3000000, 3180000, 3312500, 3392000, 3975000, 4000000, 4240000, 4800000, 4968750, 5088000, 5300000, 6000000, 6360000, 6625000, 7950000, 8000000, 8480000, 9937500, 10176000, 10600000, 12000000, 12720000, 13250000, 15900000, 16960000, 19875000, 21200000, 24000000, 25440000, 26500000, 31800000, 39750000, 42400000, 50880000, 53000000, 63600000, 79500000, 84800000, 106000000, 127200000, 159000000, 212000000, 254400000, 318000000, 424000000, 636000000, 1272000000]

約数ペア:

[(1, 1272000000), (2, 636000000), (3, 424000000), (4, 318000000), (5, 254400000), (6, 212000000), (8, 159000000), (10, 127200000), (12, 106000000), (15, 84800000), (16, 79500000), (20, 63600000), (24, 53000000), (25, 50880000), (30, 42400000), (32, 39750000), (40, 31800000), (48, 26500000), (50, 25440000), (53, 24000000), (60, 21200000), (64, 19875000), (75, 16960000), (80, 15900000), (96, 13250000), (100, 12720000), (106, 12000000), (120, 10600000), (125, 10176000), (128, 9937500), (150, 8480000), (159, 8000000), (160, 7950000), (192, 6625000), (200, 6360000), (212, 6000000), (240, 5300000), (250, 5088000), (256, 4968750), (265, 4800000), (300, 4240000), (318, 4000000), (320, 3975000), (375, 3392000), (384, 3312500), (400, 3180000), (424, 3000000), (480, 2650000), (500, 2544000), (512, 2484375), (530, 2400000), (600, 2120000), (625, 2035200), (636, 2000000), (640, 1987500), (750, 1696000), (768, 1656250), (795, 1600000), (800, 1590000), (848, 1500000), (960, 1325000), (1000, 1272000), (1060, 1200000), (1200, 1060000), (1250, 1017600), (1272, 1000000), (1280, 993750), (1325, 960000), (1500, 848000), (1536, 828125), (1590, 800000), (1600, 795000), (1696, 750000), (1875, 678400), (1920, 662500), (2000, 636000), (2120, 600000), (2400, 530000), (2500, 508800), (2544, 500000), (2560, 496875), (2650, 480000), (3000, 424000), (3125, 407040), (3180, 400000), (3200, 397500), (3392, 375000), (3750, 339200), (3840, 331250), (3975, 320000), (4000, 318000), (4240, 300000), (4800, 265000), (5000, 254400), (5088, 250000), (5300, 240000), (6000, 212000), (6250, 203520), (6360, 200000), (6400, 198750), (6625, 192000), (6784, 187500), (7500, 169600), (7680, 165625), (7950, 160000), (8000, 159000), (8480, 150000), (9375, 135680), (9600, 132500), (10000, 127200), (10176, 125000), (10600, 120000), (12000, 106000), (12500, 101760), (12720, 100000), (12800, 99375), (13250, 96000), (13568, 93750), (15000, 84800), (15625, 81408), (15900, 80000), (16000, 79500), (16960, 75000), (18750, 67840), (19200, 66250), (19875, 64000), (20000, 63600), (20352, 62500), (21200, 60000), (24000, 53000), (25000, 50880), (25440, 50000), (26500, 48000), (27136, 46875), (30000, 42400), (31250, 40704), (31800, 40000), (32000, 39750), (33125, 38400), (33920, 37500)]