311989760

素因数分解:

$2^9\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2593}}^1$

素因数の和:2663

約数の個数: 80

約数和(自身を含む): 764254656

約数和(自身を除く): 452264896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 512, 640, 752, 940, 1280, 1504, 1880, 2560, 2593, 3008, 3760, 5186, 6016, 7520, 10372, 12032, 12965, 15040, 20744, 24064, 25930, 30080, 41488, 51860, 60160, 82976, 103720, 120320, 121871, 165952, 207440, 243742, 331904, 414880, 487484, 609355, 663808, 829760, 974968, 1218710, 1327616, 1659520, 1949936, 2437420, 3319040, 3899872, 4874840, 6638080, 7799744, 9749680, 15599488, 19499360, 31198976, 38998720, 62397952, 77997440, 155994880, 311989760]

約数ペア:

[(1, 311989760), (2, 155994880), (4, 77997440), (5, 62397952), (8, 38998720), (10, 31198976), (16, 19499360), (20, 15599488), (32, 9749680), (40, 7799744), (47, 6638080), (64, 4874840), (80, 3899872), (94, 3319040), (128, 2437420), (160, 1949936), (188, 1659520), (235, 1327616), (256, 1218710), (320, 974968), (376, 829760), (470, 663808), (512, 609355), (640, 487484), (752, 414880), (940, 331904), (1280, 243742), (1504, 207440), (1880, 165952), (2560, 121871), (2593, 120320), (3008, 103720), (3760, 82976), (5186, 60160), (6016, 51860), (7520, 41488), (10372, 30080), (12032, 25930), (12965, 24064), (15040, 20744)]