156398080

素因数分解:

$2^9\times 5^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:529

約数の個数: 80

約数和(自身を含む): 378100800

約数和(自身を除く): 221702720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 307, 320, 398, 512, 614, 640, 796, 995, 1228, 1280, 1535, 1592, 1990, 2456, 2560, 3070, 3184, 3980, 4912, 6140, 6368, 7960, 9824, 12280, 12736, 15920, 19648, 24560, 25472, 31840, 39296, 49120, 50944, 61093, 63680, 78592, 98240, 101888, 122186, 127360, 157184, 196480, 244372, 254720, 305465, 392960, 488744, 509440, 610930, 785920, 977488, 1221860, 1954976, 2443720, 3909952, 4887440, 7819904, 9774880, 15639808, 19549760, 31279616, 39099520, 78199040, 156398080]

約数ペア:

[(1, 156398080), (2, 78199040), (4, 39099520), (5, 31279616), (8, 19549760), (10, 15639808), (16, 9774880), (20, 7819904), (32, 4887440), (40, 3909952), (64, 2443720), (80, 1954976), (128, 1221860), (160, 977488), (199, 785920), (256, 610930), (307, 509440), (320, 488744), (398, 392960), (512, 305465), (614, 254720), (640, 244372), (796, 196480), (995, 157184), (1228, 127360), (1280, 122186), (1535, 101888), (1592, 98240), (1990, 78592), (2456, 63680), (2560, 61093), (3070, 50944), (3184, 49120), (3980, 39296), (4912, 31840), (6140, 25472), (6368, 24560), (7960, 19648), (9824, 15920), (12280, 12736)]