81135780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1$

素因数の和:749

約数の個数: 96

約数和(自身を含む): 249298560

約数和(自身を除く): 168162780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 269, 330, 457, 538, 660, 807, 914, 1076, 1345, 1371, 1614, 1828, 2285, 2690, 2742, 2959, 3228, 4035, 4570, 5027, 5380, 5484, 5918, 6855, 8070, 8877, 9140, 10054, 11836, 13710, 14795, 15081, 16140, 17754, 20108, 25135, 27420, 29590, 30162, 35508, 44385, 50270, 59180, 60324, 75405, 88770, 100540, 122933, 150810, 177540, 245866, 301620, 368799, 491732, 614665, 737598, 1229330, 1352263, 1475196, 1843995, 2458660, 2704526, 3687990, 4056789, 5409052, 6761315, 7375980, 8113578, 13522630, 16227156, 20283945, 27045260, 40567890, 81135780]

約数ペア:

[(1, 81135780), (2, 40567890), (3, 27045260), (4, 20283945), (5, 16227156), (6, 13522630), (10, 8113578), (11, 7375980), (12, 6761315), (15, 5409052), (20, 4056789), (22, 3687990), (30, 2704526), (33, 2458660), (44, 1843995), (55, 1475196), (60, 1352263), (66, 1229330), (110, 737598), (132, 614665), (165, 491732), (220, 368799), (269, 301620), (330, 245866), (457, 177540), (538, 150810), (660, 122933), (807, 100540), (914, 88770), (1076, 75405), (1345, 60324), (1371, 59180), (1614, 50270), (1828, 44385), (2285, 35508), (2690, 30162), (2742, 29590), (2959, 27420), (3228, 25135), (4035, 20108), (4570, 17754), (5027, 16140), (5380, 15081), (5484, 14795), (5918, 13710), (6855, 11836), (8070, 10054), (8877, 9140)]