18858240

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1637}}^1$

素因数の和:1664

約数の個数: 108

約数和(自身を含む): 65287404

約数和(自身を除く): 46429164

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, 1637, 1920, 2304, 2880, 3274, 3840, 4911, 5760, 6548, 8185, 9822, 11520, 13096, 14733, 16370, 19644, 24555, 26192, 29466, 32740, 39288, 49110, 52384, 58932, 65480, 73665, 78576, 98220, 104768, 117864, 130960, 147330, 157152, 196440, 209536, 235728, 261920, 294660, 314304, 392880, 419072, 471456, 523840, 589320, 628608, 785760, 942912, 1047680, 1178640, 1257216, 1571520, 1885824, 2095360, 2357280, 3143040, 3771648, 4714560, 6286080, 9429120, 18858240]

約数ペア:

[(1, 18858240), (2, 9429120), (3, 6286080), (4, 4714560), (5, 3771648), (6, 3143040), (8, 2357280), (9, 2095360), (10, 1885824), (12, 1571520), (15, 1257216), (16, 1178640), (18, 1047680), (20, 942912), (24, 785760), (30, 628608), (32, 589320), (36, 523840), (40, 471456), (45, 419072), (48, 392880), (60, 314304), (64, 294660), (72, 261920), (80, 235728), (90, 209536), (96, 196440), (120, 157152), (128, 147330), (144, 130960), (160, 117864), (180, 104768), (192, 98220), (240, 78576), (256, 73665), (288, 65480), (320, 58932), (360, 52384), (384, 49110), (480, 39288), (576, 32740), (640, 29466), (720, 26192), (768, 24555), (960, 19644), (1152, 16370), (1280, 14733), (1440, 13096), (1637, 11520), (1920, 9822), (2304, 8185), (2880, 6548), (3274, 5760), (3840, 4911)]