21960000

素因数分解:

$2^6\times 3^2\times 5^4\times {\mathrm{61}}^1$

素因数の和:99

約数の個数: 210

約数和(自身を含む): 79944722

約数和(自身を除く): 57984722

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, 61, 64, 72, 75, 80, 90, 96, 100, 120, 122, 125, 144, 150, 160, 180, 183, 192, 200, 225, 240, 244, 250, 288, 300, 305, 320, 360, 366, 375, 400, 450, 480, 488, 500, 549, 576, 600, 610, 625, 720, 732, 750, 800, 900, 915, 960, 976, 1000, 1098, 1125, 1200, 1220, 1250, 1440, 1464, 1500, 1525, 1600, 1800, 1830, 1875, 1952, 2000, 2196, 2250, 2400, 2440, 2500, 2745, 2880, 2928, 3000, 3050, 3600, 3660, 3750, 3904, 4000, 4392, 4500, 4575, 4800, 4880, 5000, 5490, 5625, 5856, 6000, 6100, 7200, 7320, 7500, 7625, 8000, 8784, 9000, 9150, 9760, 10000, 10980, 11250, 11712, 12000, 12200, 13725, 14400, 14640, 15000, 15250, 17568, 18000, 18300, 19520, 20000, 21960, 22500, 22875, 24000, 24400, 27450, 29280, 30000, 30500, 35136, 36000, 36600, 38125, 40000, 43920, 45000, 45750, 48800, 54900, 58560, 60000, 61000, 68625, 72000, 73200, 76250, 87840, 90000, 91500, 97600, 109800, 114375, 120000, 122000, 137250, 146400, 152500, 175680, 180000, 183000, 219600, 228750, 244000, 274500, 292800, 305000, 343125, 360000, 366000, 439200, 457500, 488000, 549000, 610000, 686250, 732000, 878400, 915000, 1098000, 1220000, 1372500, 1464000, 1830000, 2196000, 2440000, 2745000, 3660000, 4392000, 5490000, 7320000, 10980000, 21960000]

約数ペア:

[(1, 21960000), (2, 10980000), (3, 7320000), (4, 5490000), (5, 4392000), (6, 3660000), (8, 2745000), (9, 2440000), (10, 2196000), (12, 1830000), (15, 1464000), (16, 1372500), (18, 1220000), (20, 1098000), (24, 915000), (25, 878400), (30, 732000), (32, 686250), (36, 610000), (40, 549000), (45, 488000), (48, 457500), (50, 439200), (60, 366000), (61, 360000), (64, 343125), (72, 305000), (75, 292800), (80, 274500), (90, 244000), (96, 228750), (100, 219600), (120, 183000), (122, 180000), (125, 175680), (144, 152500), (150, 146400), (160, 137250), (180, 122000), (183, 120000), (192, 114375), (200, 109800), (225, 97600), (240, 91500), (244, 90000), (250, 87840), (288, 76250), (300, 73200), (305, 72000), (320, 68625), (360, 61000), (366, 60000), (375, 58560), (400, 54900), (450, 48800), (480, 45750), (488, 45000), (500, 43920), (549, 40000), (576, 38125), (600, 36600), (610, 36000), (625, 35136), (720, 30500), (732, 30000), (750, 29280), (800, 27450), (900, 24400), (915, 24000), (960, 22875), (976, 22500), (1000, 21960), (1098, 20000), (1125, 19520), (1200, 18300), (1220, 18000), (1250, 17568), (1440, 15250), (1464, 15000), (1500, 14640), (1525, 14400), (1600, 13725), (1800, 12200), (1830, 12000), (1875, 11712), (1952, 11250), (2000, 10980), (2196, 10000), (2250, 9760), (2400, 9150), (2440, 9000), (2500, 8784), (2745, 8000), (2880, 7625), (2928, 7500), (3000, 7320), (3050, 7200), (3600, 6100), (3660, 6000), (3750, 5856), (3904, 5625), (4000, 5490), (4392, 5000), (4500, 4880), (4575, 4800)]