128908980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{716161}}^1$

素因数の和:716176

約数の個数: 36

約数和(自身を含む): 391024452

約数和(自身を除く): 262115472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 716161, 1432322, 2148483, 2864644, 3580805, 4296966, 6445449, 7161610, 8593932, 10742415, 12890898, 14323220, 21484830, 25781796, 32227245, 42969660, 64454490, 128908980]

約数ペア:

[(1, 128908980), (2, 64454490), (3, 42969660), (4, 32227245), (5, 25781796), (6, 21484830), (9, 14323220), (10, 12890898), (12, 10742415), (15, 8593932), (18, 7161610), (20, 6445449), (30, 4296966), (36, 3580805), (45, 2864644), (60, 2148483), (90, 1432322), (180, 716161)]