61982280

素因数分解:

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

素因数の和:2028

約数の個数: 128

約数和(自身を含む): 213840000

約数和(自身を除く): 151857720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 1044, 1080, 1160, 1305, 1566, 1740, 1979, 2088, 2610, 3132, 3480, 3915, 3958, 5220, 5937, 6264, 7830, 7916, 9895, 10440, 11874, 15660, 15832, 17811, 19790, 23748, 29685, 31320, 35622, 39580, 47496, 53433, 57391, 59370, 71244, 79160, 89055, 106866, 114782, 118740, 142488, 172173, 178110, 213732, 229564, 237480, 267165, 286955, 344346, 356220, 427464, 459128, 516519, 534330, 573910, 688692, 712440, 860865, 1033038, 1068660, 1147820, 1377384, 1549557, 1721730, 2066076, 2137320, 2295640, 2582595, 3099114, 3443460, 4132152, 5165190, 6198228, 6886920, 7747785, 10330380, 12396456, 15495570, 20660760, 30991140, 61982280]

約数ペア:

[(1, 61982280), (2, 30991140), (3, 20660760), (4, 15495570), (5, 12396456), (6, 10330380), (8, 7747785), (9, 6886920), (10, 6198228), (12, 5165190), (15, 4132152), (18, 3443460), (20, 3099114), (24, 2582595), (27, 2295640), (29, 2137320), (30, 2066076), (36, 1721730), (40, 1549557), (45, 1377384), (54, 1147820), (58, 1068660), (60, 1033038), (72, 860865), (87, 712440), (90, 688692), (108, 573910), (116, 534330), (120, 516519), (135, 459128), (145, 427464), (174, 356220), (180, 344346), (216, 286955), (232, 267165), (261, 237480), (270, 229564), (290, 213732), (348, 178110), (360, 172173), (435, 142488), (522, 118740), (540, 114782), (580, 106866), (696, 89055), (783, 79160), (870, 71244), (1044, 59370), (1080, 57391), (1160, 53433), (1305, 47496), (1566, 39580), (1740, 35622), (1979, 31320), (2088, 29685), (2610, 23748), (3132, 19790), (3480, 17811), (3915, 15832), (3958, 15660), (5220, 11874), (5937, 10440), (6264, 9895), (7830, 7916)]