81349440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:960

約数の個数: 112

約数和(自身を含む): 261152640

約数和(自身を除く): 179803200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 160, 192, 202, 240, 303, 320, 404, 480, 505, 606, 808, 839, 960, 1010, 1212, 1515, 1616, 1678, 2020, 2424, 2517, 3030, 3232, 3356, 4040, 4195, 4848, 5034, 6060, 6464, 6712, 8080, 8390, 9696, 10068, 12120, 12585, 13424, 16160, 16780, 19392, 20136, 24240, 25170, 26848, 32320, 33560, 40272, 48480, 50340, 53696, 67120, 80544, 84739, 96960, 100680, 134240, 161088, 169478, 201360, 254217, 268480, 338956, 402720, 423695, 508434, 677912, 805440, 847390, 1016868, 1271085, 1355824, 1694780, 2033736, 2542170, 2711648, 3389560, 4067472, 5084340, 5423296, 6779120, 8134944, 10168680, 13558240, 16269888, 20337360, 27116480, 40674720, 81349440]

約数ペア:

[(1, 81349440), (2, 40674720), (3, 27116480), (4, 20337360), (5, 16269888), (6, 13558240), (8, 10168680), (10, 8134944), (12, 6779120), (15, 5423296), (16, 5084340), (20, 4067472), (24, 3389560), (30, 2711648), (32, 2542170), (40, 2033736), (48, 1694780), (60, 1355824), (64, 1271085), (80, 1016868), (96, 847390), (101, 805440), (120, 677912), (160, 508434), (192, 423695), (202, 402720), (240, 338956), (303, 268480), (320, 254217), (404, 201360), (480, 169478), (505, 161088), (606, 134240), (808, 100680), (839, 96960), (960, 84739), (1010, 80544), (1212, 67120), (1515, 53696), (1616, 50340), (1678, 48480), (2020, 40272), (2424, 33560), (2517, 32320), (3030, 26848), (3232, 25170), (3356, 24240), (4040, 20136), (4195, 19392), (4848, 16780), (5034, 16160), (6060, 13424), (6464, 12585), (6712, 12120), (8080, 10068), (8390, 9696)]