1981986360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{2861}}^1$

素因数の和:3149

約数の個数: 128

約数和(自身を含む): 6231375360

約数和(自身を除く): 4249389000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 251, 276, 345, 460, 502, 552, 690, 753, 920, 1004, 1255, 1380, 1506, 2008, 2510, 2760, 2861, 3012, 3765, 5020, 5722, 5773, 6024, 7530, 8583, 10040, 11444, 11546, 14305, 15060, 17166, 17319, 22888, 23092, 28610, 28865, 30120, 34332, 34638, 42915, 46184, 57220, 57730, 65803, 68664, 69276, 85830, 86595, 114440, 115460, 131606, 138552, 171660, 173190, 197409, 230920, 263212, 329015, 343320, 346380, 394818, 526424, 658030, 692760, 718111, 789636, 987045, 1316060, 1436222, 1579272, 1974090, 2154333, 2632120, 2872444, 3590555, 3948180, 4308666, 5744888, 7181110, 7896360, 8617332, 10771665, 14362220, 16516553, 17234664, 21543330, 28724440, 33033106, 43086660, 49549659, 66066212, 82582765, 86173320, 99099318, 132132424, 165165530, 198198636, 247748295, 330331060, 396397272, 495496590, 660662120, 990993180, 1981986360]

約数ペア:

[(1, 1981986360), (2, 990993180), (3, 660662120), (4, 495496590), (5, 396397272), (6, 330331060), (8, 247748295), (10, 198198636), (12, 165165530), (15, 132132424), (20, 99099318), (23, 86173320), (24, 82582765), (30, 66066212), (40, 49549659), (46, 43086660), (60, 33033106), (69, 28724440), (92, 21543330), (115, 17234664), (120, 16516553), (138, 14362220), (184, 10771665), (230, 8617332), (251, 7896360), (276, 7181110), (345, 5744888), (460, 4308666), (502, 3948180), (552, 3590555), (690, 2872444), (753, 2632120), (920, 2154333), (1004, 1974090), (1255, 1579272), (1380, 1436222), (1506, 1316060), (2008, 987045), (2510, 789636), (2760, 718111), (2861, 692760), (3012, 658030), (3765, 526424), (5020, 394818), (5722, 346380), (5773, 343320), (6024, 329015), (7530, 263212), (8583, 230920), (10040, 197409), (11444, 173190), (11546, 171660), (14305, 138552), (15060, 131606), (17166, 115460), (17319, 114440), (22888, 86595), (23092, 85830), (28610, 69276), (28865, 68664), (30120, 65803), (34332, 57730), (34638, 57220), (42915, 46184)]