1819955200

素因数分解:

$2^{12}\times 5^2\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2580

約数の個数: 156

約数和(自身を含む): 5159674720

約数和(自身を除く): 3339719520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 512, 560, 640, 700, 800, 896, 1024, 1120, 1280, 1400, 1600, 1792, 2048, 2240, 2539, 2560, 2800, 3200, 3584, 4096, 4480, 5078, 5120, 5600, 6400, 7168, 8960, 10156, 10240, 11200, 12695, 12800, 14336, 17773, 17920, 20312, 20480, 22400, 25390, 25600, 28672, 35546, 35840, 40624, 44800, 50780, 51200, 63475, 71092, 71680, 81248, 88865, 89600, 101560, 102400, 126950, 142184, 143360, 162496, 177730, 179200, 203120, 253900, 284368, 324992, 355460, 358400, 406240, 444325, 507800, 568736, 649984, 710920, 716800, 812480, 888650, 1015600, 1137472, 1299968, 1421840, 1624960, 1777300, 2031200, 2274944, 2599936, 2843680, 3249920, 3554600, 4062400, 4549888, 5199872, 5687360, 6499840, 7109200, 8124800, 9099776, 10399744, 11374720, 12999680, 14218400, 16249600, 18199552, 22749440, 25999360, 28436800, 32499200, 36399104, 45498880, 51998720, 56873600, 64998400, 72798208, 90997760, 113747200, 129996800, 181995520, 227494400, 259993600, 363991040, 454988800, 909977600, 1819955200]

約数ペア:

[(1, 1819955200), (2, 909977600), (4, 454988800), (5, 363991040), (7, 259993600), (8, 227494400), (10, 181995520), (14, 129996800), (16, 113747200), (20, 90997760), (25, 72798208), (28, 64998400), (32, 56873600), (35, 51998720), (40, 45498880), (50, 36399104), (56, 32499200), (64, 28436800), (70, 25999360), (80, 22749440), (100, 18199552), (112, 16249600), (128, 14218400), (140, 12999680), (160, 11374720), (175, 10399744), (200, 9099776), (224, 8124800), (256, 7109200), (280, 6499840), (320, 5687360), (350, 5199872), (400, 4549888), (448, 4062400), (512, 3554600), (560, 3249920), (640, 2843680), (700, 2599936), (800, 2274944), (896, 2031200), (1024, 1777300), (1120, 1624960), (1280, 1421840), (1400, 1299968), (1600, 1137472), (1792, 1015600), (2048, 888650), (2240, 812480), (2539, 716800), (2560, 710920), (2800, 649984), (3200, 568736), (3584, 507800), (4096, 444325), (4480, 406240), (5078, 358400), (5120, 355460), (5600, 324992), (6400, 284368), (7168, 253900), (8960, 203120), (10156, 179200), (10240, 177730), (11200, 162496), (12695, 143360), (12800, 142184), (14336, 126950), (17773, 102400), (17920, 101560), (20312, 89600), (20480, 88865), (22400, 81248), (25390, 71680), (25600, 71092), (28672, 63475), (35546, 51200), (35840, 50780), (40624, 44800)]