81878310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10457}}^1$

素因数の和:10502

約数の個数: 64

約数和(自身を含む): 225892800

約数和(自身を除く): 144014490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2610, 3915, 7830, 10457, 20914, 31371, 52285, 62742, 94113, 104570, 156855, 188226, 282339, 303253, 313710, 470565, 564678, 606506, 909759, 941130, 1411695, 1516265, 1819518, 2729277, 2823390, 3032530, 4548795, 5458554, 8187831, 9097590, 13646385, 16375662, 27292770, 40939155, 81878310]

約数ペア:

[(1, 81878310), (2, 40939155), (3, 27292770), (5, 16375662), (6, 13646385), (9, 9097590), (10, 8187831), (15, 5458554), (18, 4548795), (27, 3032530), (29, 2823390), (30, 2729277), (45, 1819518), (54, 1516265), (58, 1411695), (87, 941130), (90, 909759), (135, 606506), (145, 564678), (174, 470565), (261, 313710), (270, 303253), (290, 282339), (435, 188226), (522, 156855), (783, 104570), (870, 94113), (1305, 62742), (1566, 52285), (2610, 31371), (3915, 20914), (7830, 10457)]