278862720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2381}}^1$

素因数の和:2464

約数の個数: 128

約数和(自身を含む): 903826080

約数和(自身を除く): 624963360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 305, 320, 366, 384, 480, 488, 610, 640, 732, 915, 960, 976, 1220, 1464, 1830, 1920, 1952, 2381, 2440, 2928, 3660, 3904, 4762, 4880, 5856, 7143, 7320, 7808, 9524, 9760, 11712, 11905, 14286, 14640, 19048, 19520, 23424, 23810, 28572, 29280, 35715, 38096, 39040, 47620, 57144, 58560, 71430, 76192, 95240, 114288, 117120, 142860, 145241, 152384, 190480, 228576, 285720, 290482, 304768, 380960, 435723, 457152, 571440, 580964, 726205, 761920, 871446, 914304, 1142880, 1161928, 1452410, 1523840, 1742892, 2178615, 2285760, 2323856, 2904820, 3485784, 4357230, 4571520, 4647712, 5809640, 6971568, 8714460, 9295424, 11619280, 13943136, 17428920, 18590848, 23238560, 27886272, 34857840, 46477120, 55772544, 69715680, 92954240, 139431360, 278862720]

約数ペア:

[(1, 278862720), (2, 139431360), (3, 92954240), (4, 69715680), (5, 55772544), (6, 46477120), (8, 34857840), (10, 27886272), (12, 23238560), (15, 18590848), (16, 17428920), (20, 13943136), (24, 11619280), (30, 9295424), (32, 8714460), (40, 6971568), (48, 5809640), (60, 4647712), (61, 4571520), (64, 4357230), (80, 3485784), (96, 2904820), (120, 2323856), (122, 2285760), (128, 2178615), (160, 1742892), (183, 1523840), (192, 1452410), (240, 1161928), (244, 1142880), (305, 914304), (320, 871446), (366, 761920), (384, 726205), (480, 580964), (488, 571440), (610, 457152), (640, 435723), (732, 380960), (915, 304768), (960, 290482), (976, 285720), (1220, 228576), (1464, 190480), (1830, 152384), (1920, 145241), (1952, 142860), (2381, 117120), (2440, 114288), (2928, 95240), (3660, 76192), (3904, 71430), (4762, 58560), (4880, 57144), (5856, 47620), (7143, 39040), (7320, 38096), (7808, 35715), (9524, 29280), (9760, 28572), (11712, 23810), (11905, 23424), (14286, 19520), (14640, 19048)]