80440395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 157608960

約数和(自身を除く): 77168565

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 61, 95, 105, 133, 183, 285, 305, 399, 427, 661, 665, 915, 1159, 1281, 1983, 1995, 2135, 3305, 3477, 4627, 5795, 6405, 8113, 9915, 12559, 13881, 17385, 23135, 24339, 37677, 40321, 40565, 62795, 69405, 87913, 120963, 121695, 188385, 201605, 263739, 282247, 439565, 604815, 766099, 846741, 1318695, 1411235, 2298297, 3830495, 4233705, 5362693, 11491485, 16088079, 26813465, 80440395]

約数ペア:

[(1, 80440395), (3, 26813465), (5, 16088079), (7, 11491485), (15, 5362693), (19, 4233705), (21, 3830495), (35, 2298297), (57, 1411235), (61, 1318695), (95, 846741), (105, 766099), (133, 604815), (183, 439565), (285, 282247), (305, 263739), (399, 201605), (427, 188385), (661, 121695), (665, 120963), (915, 87913), (1159, 69405), (1281, 62795), (1983, 40565), (1995, 40321), (2135, 37677), (3305, 24339), (3477, 23135), (4627, 17385), (5795, 13881), (6405, 12559), (8113, 9915)]