12780000

素因数分解:

$2^5\times 3^2\times 5^4\times {\mathrm{71}}^1$

素因数の和:107

約数の個数: 180

約数和(自身を含む): 46054008

約数和(自身を除く): 33274008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 71, 72, 75, 80, 90, 96, 100, 120, 125, 142, 144, 150, 160, 180, 200, 213, 225, 240, 250, 284, 288, 300, 355, 360, 375, 400, 426, 450, 480, 500, 568, 600, 625, 639, 710, 720, 750, 800, 852, 900, 1000, 1065, 1125, 1136, 1200, 1250, 1278, 1420, 1440, 1500, 1704, 1775, 1800, 1875, 2000, 2130, 2250, 2272, 2400, 2500, 2556, 2840, 3000, 3195, 3408, 3550, 3600, 3750, 4000, 4260, 4500, 5000, 5112, 5325, 5625, 5680, 6000, 6390, 6816, 7100, 7200, 7500, 8520, 8875, 9000, 10000, 10224, 10650, 11250, 11360, 12000, 12780, 14200, 15000, 15975, 17040, 17750, 18000, 20000, 20448, 21300, 22500, 25560, 26625, 28400, 30000, 31950, 34080, 35500, 36000, 42600, 44375, 45000, 51120, 53250, 56800, 60000, 63900, 71000, 79875, 85200, 88750, 90000, 102240, 106500, 127800, 133125, 142000, 159750, 170400, 177500, 180000, 213000, 255600, 266250, 284000, 319500, 355000, 399375, 426000, 511200, 532500, 639000, 710000, 798750, 852000, 1065000, 1278000, 1420000, 1597500, 2130000, 2556000, 3195000, 4260000, 6390000, 12780000]

約数ペア:

[(1, 12780000), (2, 6390000), (3, 4260000), (4, 3195000), (5, 2556000), (6, 2130000), (8, 1597500), (9, 1420000), (10, 1278000), (12, 1065000), (15, 852000), (16, 798750), (18, 710000), (20, 639000), (24, 532500), (25, 511200), (30, 426000), (32, 399375), (36, 355000), (40, 319500), (45, 284000), (48, 266250), (50, 255600), (60, 213000), (71, 180000), (72, 177500), (75, 170400), (80, 159750), (90, 142000), (96, 133125), (100, 127800), (120, 106500), (125, 102240), (142, 90000), (144, 88750), (150, 85200), (160, 79875), (180, 71000), (200, 63900), (213, 60000), (225, 56800), (240, 53250), (250, 51120), (284, 45000), (288, 44375), (300, 42600), (355, 36000), (360, 35500), (375, 34080), (400, 31950), (426, 30000), (450, 28400), (480, 26625), (500, 25560), (568, 22500), (600, 21300), (625, 20448), (639, 20000), (710, 18000), (720, 17750), (750, 17040), (800, 15975), (852, 15000), (900, 14200), (1000, 12780), (1065, 12000), (1125, 11360), (1136, 11250), (1200, 10650), (1250, 10224), (1278, 10000), (1420, 9000), (1440, 8875), (1500, 8520), (1704, 7500), (1775, 7200), (1800, 7100), (1875, 6816), (2000, 6390), (2130, 6000), (2250, 5680), (2272, 5625), (2400, 5325), (2500, 5112), (2556, 5000), (2840, 4500), (3000, 4260), (3195, 4000), (3408, 3750), (3550, 3600)]