81240000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{677}}^1$

素因数の和:712

約数の個数: 140

約数和(自身を含む): 268995144

約数和(自身を除く): 187755144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 150, 160, 192, 200, 240, 250, 300, 320, 375, 400, 480, 500, 600, 625, 677, 750, 800, 960, 1000, 1200, 1250, 1354, 1500, 1600, 1875, 2000, 2031, 2400, 2500, 2708, 3000, 3385, 3750, 4000, 4062, 4800, 5000, 5416, 6000, 6770, 7500, 8000, 8124, 10000, 10155, 10832, 12000, 13540, 15000, 16248, 16925, 20000, 20310, 21664, 24000, 27080, 30000, 32496, 33850, 40000, 40620, 43328, 50775, 54160, 60000, 64992, 67700, 81240, 84625, 101550, 108320, 120000, 129984, 135400, 162480, 169250, 203100, 216640, 253875, 270800, 324960, 338500, 406200, 423125, 507750, 541600, 649920, 677000, 812400, 846250, 1015500, 1083200, 1269375, 1354000, 1624800, 1692500, 2031000, 2538750, 2708000, 3249600, 3385000, 4062000, 5077500, 5416000, 6770000, 8124000, 10155000, 13540000, 16248000, 20310000, 27080000, 40620000, 81240000]

約数ペア:

[(1, 81240000), (2, 40620000), (3, 27080000), (4, 20310000), (5, 16248000), (6, 13540000), (8, 10155000), (10, 8124000), (12, 6770000), (15, 5416000), (16, 5077500), (20, 4062000), (24, 3385000), (25, 3249600), (30, 2708000), (32, 2538750), (40, 2031000), (48, 1692500), (50, 1624800), (60, 1354000), (64, 1269375), (75, 1083200), (80, 1015500), (96, 846250), (100, 812400), (120, 677000), (125, 649920), (150, 541600), (160, 507750), (192, 423125), (200, 406200), (240, 338500), (250, 324960), (300, 270800), (320, 253875), (375, 216640), (400, 203100), (480, 169250), (500, 162480), (600, 135400), (625, 129984), (677, 120000), (750, 108320), (800, 101550), (960, 84625), (1000, 81240), (1200, 67700), (1250, 64992), (1354, 60000), (1500, 54160), (1600, 50775), (1875, 43328), (2000, 40620), (2031, 40000), (2400, 33850), (2500, 32496), (2708, 30000), (3000, 27080), (3385, 24000), (3750, 21664), (4000, 20310), (4062, 20000), (4800, 16925), (5000, 16248), (5416, 15000), (6000, 13540), (6770, 12000), (7500, 10832), (8000, 10155), (8124, 10000)]