81227880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75211}}^1$

素因数の和:75231

約数の個数: 64

約数和(自身を含む): 270763200

約数和(自身を除く): 189535320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75211, 150422, 225633, 300844, 376055, 451266, 601688, 676899, 752110, 902532, 1128165, 1353798, 1504220, 1805064, 2030697, 2256330, 2707596, 3008440, 3384495, 4061394, 4512660, 5415192, 6768990, 8122788, 9025320, 10153485, 13537980, 16245576, 20306970, 27075960, 40613940, 81227880]

約数ペア:

[(1, 81227880), (2, 40613940), (3, 27075960), (4, 20306970), (5, 16245576), (6, 13537980), (8, 10153485), (9, 9025320), (10, 8122788), (12, 6768990), (15, 5415192), (18, 4512660), (20, 4061394), (24, 3384495), (27, 3008440), (30, 2707596), (36, 2256330), (40, 2030697), (45, 1805064), (54, 1504220), (60, 1353798), (72, 1128165), (90, 902532), (108, 752110), (120, 676899), (135, 601688), (180, 451266), (216, 376055), (270, 300844), (360, 225633), (540, 150422), (1080, 75211)]