129888760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^3\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 304761600

約数和(自身を除く): 174872840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 620, 872, 961, 1090, 1240, 1922, 2180, 3379, 3844, 4360, 4805, 6758, 7688, 9610, 13516, 16895, 19220, 27032, 29791, 33790, 38440, 59582, 67580, 104749, 119164, 135160, 148955, 209498, 238328, 297910, 418996, 523745, 595820, 837992, 1047490, 1191640, 2094980, 3247219, 4189960, 6494438, 12988876, 16236095, 25977752, 32472190, 64944380, 129888760]

約数ペア:

[(1, 129888760), (2, 64944380), (4, 32472190), (5, 25977752), (8, 16236095), (10, 12988876), (20, 6494438), (31, 4189960), (40, 3247219), (62, 2094980), (109, 1191640), (124, 1047490), (155, 837992), (218, 595820), (248, 523745), (310, 418996), (436, 297910), (545, 238328), (620, 209498), (872, 148955), (961, 135160), (1090, 119164), (1240, 104749), (1922, 67580), (2180, 59582), (3379, 38440), (3844, 33790), (4360, 29791), (4805, 27032), (6758, 19220), (7688, 16895), (9610, 13516)]