287665920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{24971}}^1$

素因数の和:24998

約数の個数: 108

約数和(自身を含む): 995333976

約数和(自身を除く): 707668056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 24971, 49942, 74913, 99884, 124855, 149826, 199768, 224739, 249710, 299652, 374565, 399536, 449478, 499420, 599304, 749130, 799072, 898956, 998840, 1123695, 1198608, 1498260, 1598144, 1797912, 1997680, 2247390, 2397216, 2996520, 3196288, 3595824, 3995360, 4494780, 4794432, 5993040, 6392576, 7191648, 7990720, 8989560, 9588864, 11986080, 14383296, 15981440, 17979120, 19177728, 23972160, 28766592, 31962880, 35958240, 47944320, 57533184, 71916480, 95888640, 143832960, 287665920]

約数ペア:

[(1, 287665920), (2, 143832960), (3, 95888640), (4, 71916480), (5, 57533184), (6, 47944320), (8, 35958240), (9, 31962880), (10, 28766592), (12, 23972160), (15, 19177728), (16, 17979120), (18, 15981440), (20, 14383296), (24, 11986080), (30, 9588864), (32, 8989560), (36, 7990720), (40, 7191648), (45, 6392576), (48, 5993040), (60, 4794432), (64, 4494780), (72, 3995360), (80, 3595824), (90, 3196288), (96, 2996520), (120, 2397216), (128, 2247390), (144, 1997680), (160, 1797912), (180, 1598144), (192, 1498260), (240, 1198608), (256, 1123695), (288, 998840), (320, 898956), (360, 799072), (384, 749130), (480, 599304), (576, 499420), (640, 449478), (720, 399536), (768, 374565), (960, 299652), (1152, 249710), (1280, 224739), (1440, 199768), (1920, 149826), (2304, 124855), (2880, 99884), (3840, 74913), (5760, 49942), (11520, 24971)]