205875000

素因数分解:

$2^3\times 3^3\times 5^6\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 224

約数和(自身を含む): 726553200

約数和(自身を除く): 520678200

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, 61, 72, 75, 90, 100, 108, 120, 122, 125, 135, 150, 180, 183, 200, 216, 225, 244, 250, 270, 300, 305, 360, 366, 375, 450, 488, 500, 540, 549, 600, 610, 625, 675, 732, 750, 900, 915, 1000, 1080, 1098, 1125, 1220, 1250, 1350, 1464, 1500, 1525, 1647, 1800, 1830, 1875, 2196, 2250, 2440, 2500, 2700, 2745, 3000, 3050, 3125, 3294, 3375, 3660, 3750, 4392, 4500, 4575, 5000, 5400, 5490, 5625, 6100, 6250, 6588, 6750, 7320, 7500, 7625, 8235, 9000, 9150, 9375, 10980, 11250, 12200, 12500, 13176, 13500, 13725, 15000, 15250, 15625, 16470, 16875, 18300, 18750, 21960, 22500, 22875, 25000, 27000, 27450, 28125, 30500, 31250, 32940, 33750, 36600, 37500, 38125, 41175, 45000, 45750, 46875, 54900, 56250, 61000, 62500, 65880, 67500, 68625, 75000, 76250, 82350, 84375, 91500, 93750, 109800, 112500, 114375, 125000, 135000, 137250, 140625, 152500, 164700, 168750, 183000, 187500, 190625, 205875, 225000, 228750, 274500, 281250, 305000, 329400, 337500, 343125, 375000, 381250, 411750, 421875, 457500, 549000, 562500, 571875, 675000, 686250, 762500, 823500, 843750, 915000, 953125, 1029375, 1125000, 1143750, 1372500, 1525000, 1647000, 1687500, 1715625, 1906250, 2058750, 2287500, 2745000, 2859375, 3375000, 3431250, 3812500, 4117500, 4575000, 5146875, 5718750, 6862500, 7625000, 8235000, 8578125, 10293750, 11437500, 13725000, 17156250, 20587500, 22875000, 25734375, 34312500, 41175000, 51468750, 68625000, 102937500, 205875000]

約数ペア:

[(1, 205875000), (2, 102937500), (3, 68625000), (4, 51468750), (5, 41175000), (6, 34312500), (8, 25734375), (9, 22875000), (10, 20587500), (12, 17156250), (15, 13725000), (18, 11437500), (20, 10293750), (24, 8578125), (25, 8235000), (27, 7625000), (30, 6862500), (36, 5718750), (40, 5146875), (45, 4575000), (50, 4117500), (54, 3812500), (60, 3431250), (61, 3375000), (72, 2859375), (75, 2745000), (90, 2287500), (100, 2058750), (108, 1906250), (120, 1715625), (122, 1687500), (125, 1647000), (135, 1525000), (150, 1372500), (180, 1143750), (183, 1125000), (200, 1029375), (216, 953125), (225, 915000), (244, 843750), (250, 823500), (270, 762500), (300, 686250), (305, 675000), (360, 571875), (366, 562500), (375, 549000), (450, 457500), (488, 421875), (500, 411750), (540, 381250), (549, 375000), (600, 343125), (610, 337500), (625, 329400), (675, 305000), (732, 281250), (750, 274500), (900, 228750), (915, 225000), (1000, 205875), (1080, 190625), (1098, 187500), (1125, 183000), (1220, 168750), (1250, 164700), (1350, 152500), (1464, 140625), (1500, 137250), (1525, 135000), (1647, 125000), (1800, 114375), (1830, 112500), (1875, 109800), (2196, 93750), (2250, 91500), (2440, 84375), (2500, 82350), (2700, 76250), (2745, 75000), (3000, 68625), (3050, 67500), (3125, 65880), (3294, 62500), (3375, 61000), (3660, 56250), (3750, 54900), (4392, 46875), (4500, 45750), (4575, 45000), (5000, 41175), (5400, 38125), (5490, 37500), (5625, 36600), (6100, 33750), (6250, 32940), (6588, 31250), (6750, 30500), (7320, 28125), (7500, 27450), (7625, 27000), (8235, 25000), (9000, 22875), (9150, 22500), (9375, 21960), (10980, 18750), (11250, 18300), (12200, 16875), (12500, 16470), (13176, 15625), (13500, 15250), (13725, 15000)]