20115000

素因数分解:

$2^3\times 3^3\times 5^4\times {\mathrm{149}}^1$

素因数の和:184

約数の個数: 160

約数和(自身を含む): 70290000

約数和(自身を除く): 50175000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 125, 135, 149, 150, 180, 200, 216, 225, 250, 270, 298, 300, 360, 375, 447, 450, 500, 540, 596, 600, 625, 675, 745, 750, 894, 900, 1000, 1080, 1125, 1192, 1250, 1341, 1350, 1490, 1500, 1788, 1800, 1875, 2235, 2250, 2500, 2682, 2700, 2980, 3000, 3375, 3576, 3725, 3750, 4023, 4470, 4500, 5000, 5364, 5400, 5625, 5960, 6705, 6750, 7450, 7500, 8046, 8940, 9000, 10728, 11175, 11250, 13410, 13500, 14900, 15000, 16092, 16875, 17880, 18625, 20115, 22350, 22500, 26820, 27000, 29800, 32184, 33525, 33750, 37250, 40230, 44700, 45000, 53640, 55875, 67050, 67500, 74500, 80460, 89400, 93125, 100575, 111750, 134100, 135000, 149000, 160920, 167625, 186250, 201150, 223500, 268200, 279375, 335250, 372500, 402300, 447000, 502875, 558750, 670500, 745000, 804600, 838125, 1005750, 1117500, 1341000, 1676250, 2011500, 2235000, 2514375, 3352500, 4023000, 5028750, 6705000, 10057500, 20115000]

約数ペア:

[(1, 20115000), (2, 10057500), (3, 6705000), (4, 5028750), (5, 4023000), (6, 3352500), (8, 2514375), (9, 2235000), (10, 2011500), (12, 1676250), (15, 1341000), (18, 1117500), (20, 1005750), (24, 838125), (25, 804600), (27, 745000), (30, 670500), (36, 558750), (40, 502875), (45, 447000), (50, 402300), (54, 372500), (60, 335250), (72, 279375), (75, 268200), (90, 223500), (100, 201150), (108, 186250), (120, 167625), (125, 160920), (135, 149000), (149, 135000), (150, 134100), (180, 111750), (200, 100575), (216, 93125), (225, 89400), (250, 80460), (270, 74500), (298, 67500), (300, 67050), (360, 55875), (375, 53640), (447, 45000), (450, 44700), (500, 40230), (540, 37250), (596, 33750), (600, 33525), (625, 32184), (675, 29800), (745, 27000), (750, 26820), (894, 22500), (900, 22350), (1000, 20115), (1080, 18625), (1125, 17880), (1192, 16875), (1250, 16092), (1341, 15000), (1350, 14900), (1490, 13500), (1500, 13410), (1788, 11250), (1800, 11175), (1875, 10728), (2235, 9000), (2250, 8940), (2500, 8046), (2682, 7500), (2700, 7450), (2980, 6750), (3000, 6705), (3375, 5960), (3576, 5625), (3725, 5400), (3750, 5364), (4023, 5000), (4470, 4500)]