18786960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 63980280

約数和(自身を除く): 45193320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 269, 291, 360, 388, 485, 538, 582, 720, 776, 807, 873, 970, 1076, 1164, 1345, 1455, 1552, 1614, 1746, 1940, 2152, 2328, 2421, 2690, 2910, 3228, 3492, 3880, 4035, 4304, 4365, 4656, 4842, 5380, 5820, 6456, 6984, 7760, 8070, 8730, 9684, 10760, 11640, 12105, 12912, 13968, 16140, 17460, 19368, 21520, 23280, 24210, 26093, 32280, 34920, 38736, 48420, 52186, 64560, 69840, 78279, 96840, 104372, 130465, 156558, 193680, 208744, 234837, 260930, 313116, 391395, 417488, 469674, 521860, 626232, 782790, 939348, 1043720, 1174185, 1252464, 1565580, 1878696, 2087440, 2348370, 3131160, 3757392, 4696740, 6262320, 9393480, 18786960]

約数ペア:

[(1, 18786960), (2, 9393480), (3, 6262320), (4, 4696740), (5, 3757392), (6, 3131160), (8, 2348370), (9, 2087440), (10, 1878696), (12, 1565580), (15, 1252464), (16, 1174185), (18, 1043720), (20, 939348), (24, 782790), (30, 626232), (36, 521860), (40, 469674), (45, 417488), (48, 391395), (60, 313116), (72, 260930), (80, 234837), (90, 208744), (97, 193680), (120, 156558), (144, 130465), (180, 104372), (194, 96840), (240, 78279), (269, 69840), (291, 64560), (360, 52186), (388, 48420), (485, 38736), (538, 34920), (582, 32280), (720, 26093), (776, 24210), (807, 23280), (873, 21520), (970, 19368), (1076, 17460), (1164, 16140), (1345, 13968), (1455, 12912), (1552, 12105), (1614, 11640), (1746, 10760), (1940, 9684), (2152, 8730), (2328, 8070), (2421, 7760), (2690, 6984), (2910, 6456), (3228, 5820), (3492, 5380), (3880, 4842), (4035, 4656), (4304, 4365)]