1861727040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{646433}}^1$

素因数の和:646456

約数の個数: 84

約数和(自身を含む): 6403575204

約数和(自身を除く): 4541848164

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, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 646433, 1292866, 1939299, 2585732, 3232165, 3878598, 5171464, 5817897, 6464330, 7757196, 9696495, 10342928, 11635794, 12928660, 15514392, 19392990, 20685856, 23271588, 25857320, 29089485, 31028784, 38785980, 41371712, 46543176, 51714640, 58178970, 62057568, 77571960, 93086352, 103429280, 116357940, 124115136, 155143920, 186172704, 206858560, 232715880, 310287840, 372345408, 465431760, 620575680, 930863520, 1861727040]

約数ペア:

[(1, 1861727040), (2, 930863520), (3, 620575680), (4, 465431760), (5, 372345408), (6, 310287840), (8, 232715880), (9, 206858560), (10, 186172704), (12, 155143920), (15, 124115136), (16, 116357940), (18, 103429280), (20, 93086352), (24, 77571960), (30, 62057568), (32, 58178970), (36, 51714640), (40, 46543176), (45, 41371712), (48, 38785980), (60, 31028784), (64, 29089485), (72, 25857320), (80, 23271588), (90, 20685856), (96, 19392990), (120, 15514392), (144, 12928660), (160, 11635794), (180, 10342928), (192, 9696495), (240, 7757196), (288, 6464330), (320, 5817897), (360, 5171464), (480, 3878598), (576, 3232165), (720, 2585732), (960, 1939299), (1440, 1292866), (2880, 646433)]