71911680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 234193344

約数和(自身を除く): 162281664

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, 256, 305, 307, 320, 366, 384, 480, 488, 610, 614, 640, 732, 768, 915, 921, 960, 976, 1220, 1228, 1280, 1464, 1535, 1830, 1842, 1920, 1952, 2440, 2456, 2928, 3070, 3660, 3684, 3840, 3904, 4605, 4880, 4912, 5856, 6140, 7320, 7368, 7808, 9210, 9760, 9824, 11712, 12280, 14640, 14736, 15616, 18420, 18727, 19520, 19648, 23424, 24560, 29280, 29472, 36840, 37454, 39040, 39296, 46848, 49120, 56181, 58560, 58944, 73680, 74908, 78080, 78592, 93635, 98240, 112362, 117120, 117888, 147360, 149816, 187270, 196480, 224724, 234240, 235776, 280905, 294720, 299632, 374540, 392960, 449448, 561810, 589440, 599264, 749080, 898896, 1123620, 1178880, 1198528, 1498160, 1797792, 2247240, 2397056, 2996320, 3595584, 4494480, 4794112, 5992640, 7191168, 8988960, 11985280, 14382336, 17977920, 23970560, 35955840, 71911680]

約数ペア:

[(1, 71911680), (2, 35955840), (3, 23970560), (4, 17977920), (5, 14382336), (6, 11985280), (8, 8988960), (10, 7191168), (12, 5992640), (15, 4794112), (16, 4494480), (20, 3595584), (24, 2996320), (30, 2397056), (32, 2247240), (40, 1797792), (48, 1498160), (60, 1198528), (61, 1178880), (64, 1123620), (80, 898896), (96, 749080), (120, 599264), (122, 589440), (128, 561810), (160, 449448), (183, 392960), (192, 374540), (240, 299632), (244, 294720), (256, 280905), (305, 235776), (307, 234240), (320, 224724), (366, 196480), (384, 187270), (480, 149816), (488, 147360), (610, 117888), (614, 117120), (640, 112362), (732, 98240), (768, 93635), (915, 78592), (921, 78080), (960, 74908), (976, 73680), (1220, 58944), (1228, 58560), (1280, 56181), (1464, 49120), (1535, 46848), (1830, 39296), (1842, 39040), (1920, 37454), (1952, 36840), (2440, 29472), (2456, 29280), (2928, 24560), (3070, 23424), (3660, 19648), (3684, 19520), (3840, 18727), (3904, 18420), (4605, 15616), (4880, 14736), (4912, 14640), (5856, 12280), (6140, 11712), (7320, 9824), (7368, 9760), (7808, 9210)]