31866960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 120

約数和(自身を含む): 103680864

約数和(自身を除く): 71813904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 251, 276, 345, 368, 460, 502, 529, 552, 690, 753, 920, 1004, 1058, 1104, 1255, 1380, 1506, 1587, 1840, 2008, 2116, 2510, 2645, 2760, 3012, 3174, 3765, 4016, 4232, 5020, 5290, 5520, 5773, 6024, 6348, 7530, 7935, 8464, 10040, 10580, 11546, 12048, 12696, 15060, 15870, 17319, 20080, 21160, 23092, 25392, 28865, 30120, 31740, 34638, 42320, 46184, 57730, 60240, 63480, 69276, 86595, 92368, 115460, 126960, 132779, 138552, 173190, 230920, 265558, 277104, 346380, 398337, 461840, 531116, 663895, 692760, 796674, 1062232, 1327790, 1385520, 1593348, 1991685, 2124464, 2655580, 3186696, 3983370, 5311160, 6373392, 7966740, 10622320, 15933480, 31866960]

約数ペア:

[(1, 31866960), (2, 15933480), (3, 10622320), (4, 7966740), (5, 6373392), (6, 5311160), (8, 3983370), (10, 3186696), (12, 2655580), (15, 2124464), (16, 1991685), (20, 1593348), (23, 1385520), (24, 1327790), (30, 1062232), (40, 796674), (46, 692760), (48, 663895), (60, 531116), (69, 461840), (80, 398337), (92, 346380), (115, 277104), (120, 265558), (138, 230920), (184, 173190), (230, 138552), (240, 132779), (251, 126960), (276, 115460), (345, 92368), (368, 86595), (460, 69276), (502, 63480), (529, 60240), (552, 57730), (690, 46184), (753, 42320), (920, 34638), (1004, 31740), (1058, 30120), (1104, 28865), (1255, 25392), (1380, 23092), (1506, 21160), (1587, 20080), (1840, 17319), (2008, 15870), (2116, 15060), (2510, 12696), (2645, 12048), (2760, 11546), (3012, 10580), (3174, 10040), (3765, 8464), (4016, 7935), (4232, 7530), (5020, 6348), (5290, 6024), (5520, 5773)]