81315504

素因数分解:

$2^4\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5591}}^1$

素因数の和:5706

約数の個数: 60

約数和(自身を含む): 229864752

約数和(自身を除く): 148549248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 101, 144, 202, 303, 404, 606, 808, 909, 1212, 1616, 1818, 2424, 3636, 4848, 5591, 7272, 11182, 14544, 16773, 22364, 33546, 44728, 50319, 67092, 89456, 100638, 134184, 201276, 268368, 402552, 564691, 805104, 1129382, 1694073, 2258764, 3388146, 4517528, 5082219, 6776292, 9035056, 10164438, 13552584, 20328876, 27105168, 40657752, 81315504]

約数ペア:

[(1, 81315504), (2, 40657752), (3, 27105168), (4, 20328876), (6, 13552584), (8, 10164438), (9, 9035056), (12, 6776292), (16, 5082219), (18, 4517528), (24, 3388146), (36, 2258764), (48, 1694073), (72, 1129382), (101, 805104), (144, 564691), (202, 402552), (303, 268368), (404, 201276), (606, 134184), (808, 100638), (909, 89456), (1212, 67092), (1616, 50319), (1818, 44728), (2424, 33546), (3636, 22364), (4848, 16773), (5591, 14544), (7272, 11182)]