90051840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{7817}}^1$

素因数の和:7844

約数の個数: 108

約数和(自身を含む): 311609844

約数和(自身を除く): 221558004

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, 7817, 11520, 15634, 23451, 31268, 39085, 46902, 62536, 70353, 78170, 93804, 117255, 125072, 140706, 156340, 187608, 234510, 250144, 281412, 312680, 351765, 375216, 469020, 500288, 562824, 625360, 703530, 750432, 938040, 1000576, 1125648, 1250720, 1407060, 1500864, 1876080, 2001152, 2251296, 2501440, 2814120, 3001728, 3752160, 4502592, 5002880, 5628240, 6003456, 7504320, 9005184, 10005760, 11256480, 15008640, 18010368, 22512960, 30017280, 45025920, 90051840]

約数ペア:

[(1, 90051840), (2, 45025920), (3, 30017280), (4, 22512960), (5, 18010368), (6, 15008640), (8, 11256480), (9, 10005760), (10, 9005184), (12, 7504320), (15, 6003456), (16, 5628240), (18, 5002880), (20, 4502592), (24, 3752160), (30, 3001728), (32, 2814120), (36, 2501440), (40, 2251296), (45, 2001152), (48, 1876080), (60, 1500864), (64, 1407060), (72, 1250720), (80, 1125648), (90, 1000576), (96, 938040), (120, 750432), (128, 703530), (144, 625360), (160, 562824), (180, 500288), (192, 469020), (240, 375216), (256, 351765), (288, 312680), (320, 281412), (360, 250144), (384, 234510), (480, 187608), (576, 156340), (640, 140706), (720, 125072), (768, 117255), (960, 93804), (1152, 78170), (1280, 70353), (1440, 62536), (1920, 46902), (2304, 39085), (2880, 31268), (3840, 23451), (5760, 15634), (7817, 11520)]