205640960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 573955200

約数和(自身を除く): 368314240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 80, 112, 118, 128, 140, 160, 224, 236, 256, 280, 295, 320, 389, 413, 448, 472, 560, 590, 640, 778, 826, 896, 944, 1120, 1180, 1280, 1556, 1652, 1792, 1888, 1945, 2065, 2240, 2360, 2723, 3112, 3304, 3776, 3890, 4130, 4480, 4720, 5446, 6224, 6608, 7552, 7780, 8260, 8960, 9440, 10892, 12448, 13216, 13615, 15104, 15560, 16520, 18880, 21784, 22951, 24896, 26432, 27230, 31120, 33040, 37760, 43568, 45902, 49792, 52864, 54460, 62240, 66080, 75520, 87136, 91804, 99584, 105728, 108920, 114755, 124480, 132160, 160657, 174272, 183608, 217840, 229510, 248960, 264320, 321314, 348544, 367216, 435680, 459020, 497920, 528640, 642628, 697088, 734432, 803285, 871360, 918040, 1285256, 1468864, 1606570, 1742720, 1836080, 2570512, 2937728, 3213140, 3485440, 3672160, 5141024, 5875456, 6426280, 7344320, 10282048, 12852560, 14688640, 20564096, 25705120, 29377280, 41128192, 51410240, 102820480, 205640960]

約数ペア:

[(1, 205640960), (2, 102820480), (4, 51410240), (5, 41128192), (7, 29377280), (8, 25705120), (10, 20564096), (14, 14688640), (16, 12852560), (20, 10282048), (28, 7344320), (32, 6426280), (35, 5875456), (40, 5141024), (56, 3672160), (59, 3485440), (64, 3213140), (70, 2937728), (80, 2570512), (112, 1836080), (118, 1742720), (128, 1606570), (140, 1468864), (160, 1285256), (224, 918040), (236, 871360), (256, 803285), (280, 734432), (295, 697088), (320, 642628), (389, 528640), (413, 497920), (448, 459020), (472, 435680), (560, 367216), (590, 348544), (640, 321314), (778, 264320), (826, 248960), (896, 229510), (944, 217840), (1120, 183608), (1180, 174272), (1280, 160657), (1556, 132160), (1652, 124480), (1792, 114755), (1888, 108920), (1945, 105728), (2065, 99584), (2240, 91804), (2360, 87136), (2723, 75520), (3112, 66080), (3304, 62240), (3776, 54460), (3890, 52864), (4130, 49792), (4480, 45902), (4720, 43568), (5446, 37760), (6224, 33040), (6608, 31120), (7552, 27230), (7780, 26432), (8260, 24896), (8960, 22951), (9440, 21784), (10892, 18880), (12448, 16520), (13216, 15560), (13615, 15104)]