15660000

素因数分解:

$2^5\times 3^3\times 5^4\times {\mathrm{29}}^1$

素因数の和:68

約数の個数: 240

約数和(自身を含む): 59043600

約数和(自身を除く): 43383600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 29, 30, 32, 36, 40, 45, 48, 50, 54, 58, 60, 72, 75, 80, 87, 90, 96, 100, 108, 116, 120, 125, 135, 144, 145, 150, 160, 174, 180, 200, 216, 225, 232, 240, 250, 261, 270, 288, 290, 300, 348, 360, 375, 400, 432, 435, 450, 464, 480, 500, 522, 540, 580, 600, 625, 675, 696, 720, 725, 750, 783, 800, 864, 870, 900, 928, 1000, 1044, 1080, 1125, 1160, 1200, 1250, 1305, 1350, 1392, 1440, 1450, 1500, 1566, 1740, 1800, 1875, 2000, 2088, 2160, 2175, 2250, 2320, 2400, 2500, 2610, 2700, 2784, 2900, 3000, 3132, 3375, 3480, 3600, 3625, 3750, 3915, 4000, 4176, 4320, 4350, 4500, 4640, 5000, 5220, 5400, 5625, 5800, 6000, 6264, 6525, 6750, 6960, 7200, 7250, 7500, 7830, 8352, 8700, 9000, 10000, 10440, 10800, 10875, 11250, 11600, 12000, 12528, 13050, 13500, 13920, 14500, 15000, 15660, 16875, 17400, 18000, 18125, 19575, 20000, 20880, 21600, 21750, 22500, 23200, 25056, 26100, 27000, 29000, 30000, 31320, 32625, 33750, 34800, 36000, 36250, 39150, 41760, 43500, 45000, 52200, 54000, 54375, 58000, 60000, 62640, 65250, 67500, 69600, 72500, 78300, 87000, 90000, 97875, 104400, 108000, 108750, 116000, 125280, 130500, 135000, 145000, 156600, 163125, 174000, 180000, 195750, 208800, 217500, 261000, 270000, 290000, 313200, 326250, 348000, 391500, 435000, 489375, 522000, 540000, 580000, 626400, 652500, 783000, 870000, 978750, 1044000, 1305000, 1566000, 1740000, 1957500, 2610000, 3132000, 3915000, 5220000, 7830000, 15660000]

約数ペア:

[(1, 15660000), (2, 7830000), (3, 5220000), (4, 3915000), (5, 3132000), (6, 2610000), (8, 1957500), (9, 1740000), (10, 1566000), (12, 1305000), (15, 1044000), (16, 978750), (18, 870000), (20, 783000), (24, 652500), (25, 626400), (27, 580000), (29, 540000), (30, 522000), (32, 489375), (36, 435000), (40, 391500), (45, 348000), (48, 326250), (50, 313200), (54, 290000), (58, 270000), (60, 261000), (72, 217500), (75, 208800), (80, 195750), (87, 180000), (90, 174000), (96, 163125), (100, 156600), (108, 145000), (116, 135000), (120, 130500), (125, 125280), (135, 116000), (144, 108750), (145, 108000), (150, 104400), (160, 97875), (174, 90000), (180, 87000), (200, 78300), (216, 72500), (225, 69600), (232, 67500), (240, 65250), (250, 62640), (261, 60000), (270, 58000), (288, 54375), (290, 54000), (300, 52200), (348, 45000), (360, 43500), (375, 41760), (400, 39150), (432, 36250), (435, 36000), (450, 34800), (464, 33750), (480, 32625), (500, 31320), (522, 30000), (540, 29000), (580, 27000), (600, 26100), (625, 25056), (675, 23200), (696, 22500), (720, 21750), (725, 21600), (750, 20880), (783, 20000), (800, 19575), (864, 18125), (870, 18000), (900, 17400), (928, 16875), (1000, 15660), (1044, 15000), (1080, 14500), (1125, 13920), (1160, 13500), (1200, 13050), (1250, 12528), (1305, 12000), (1350, 11600), (1392, 11250), (1440, 10875), (1450, 10800), (1500, 10440), (1566, 10000), (1740, 9000), (1800, 8700), (1875, 8352), (2000, 7830), (2088, 7500), (2160, 7250), (2175, 7200), (2250, 6960), (2320, 6750), (2400, 6525), (2500, 6264), (2610, 6000), (2700, 5800), (2784, 5625), (2900, 5400), (3000, 5220), (3132, 5000), (3375, 4640), (3480, 4500), (3600, 4350), (3625, 4320), (3750, 4176), (3915, 4000)]