30991140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1979}}^1$

素因数の和:2026

約数の個数: 96

約数和(自身を含む): 99792000

約数和(自身を除く): 68800860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1566, 1740, 1979, 2610, 3132, 3915, 3958, 5220, 5937, 7830, 7916, 9895, 11874, 15660, 17811, 19790, 23748, 29685, 35622, 39580, 53433, 57391, 59370, 71244, 89055, 106866, 114782, 118740, 172173, 178110, 213732, 229564, 267165, 286955, 344346, 356220, 516519, 534330, 573910, 688692, 860865, 1033038, 1068660, 1147820, 1549557, 1721730, 2066076, 2582595, 3099114, 3443460, 5165190, 6198228, 7747785, 10330380, 15495570, 30991140]

約数ペア:

[(1, 30991140), (2, 15495570), (3, 10330380), (4, 7747785), (5, 6198228), (6, 5165190), (9, 3443460), (10, 3099114), (12, 2582595), (15, 2066076), (18, 1721730), (20, 1549557), (27, 1147820), (29, 1068660), (30, 1033038), (36, 860865), (45, 688692), (54, 573910), (58, 534330), (60, 516519), (87, 356220), (90, 344346), (108, 286955), (116, 267165), (135, 229564), (145, 213732), (174, 178110), (180, 172173), (261, 118740), (270, 114782), (290, 106866), (348, 89055), (435, 71244), (522, 59370), (540, 57391), (580, 53433), (783, 39580), (870, 35622), (1044, 29685), (1305, 23748), (1566, 19790), (1740, 17811), (1979, 15660), (2610, 11874), (3132, 9895), (3915, 7916), (3958, 7830), (5220, 5937)]