81985320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7853}}^1$

素因数の和:7899

約数の個数: 96

約数和(自身を含む): 275675400

約数和(自身を除く): 193690080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 145, 174, 180, 232, 261, 290, 348, 360, 435, 522, 580, 696, 870, 1044, 1160, 1305, 1740, 2088, 2610, 3480, 5220, 7853, 10440, 15706, 23559, 31412, 39265, 47118, 62824, 70677, 78530, 94236, 117795, 141354, 157060, 188472, 227737, 235590, 282708, 314120, 353385, 455474, 471180, 565416, 683211, 706770, 910948, 942360, 1138685, 1366422, 1413540, 1821896, 2049633, 2277370, 2732844, 2827080, 3416055, 4099266, 4554740, 5465688, 6832110, 8198532, 9109480, 10248165, 13664220, 16397064, 20496330, 27328440, 40992660, 81985320]

約数ペア:

[(1, 81985320), (2, 40992660), (3, 27328440), (4, 20496330), (5, 16397064), (6, 13664220), (8, 10248165), (9, 9109480), (10, 8198532), (12, 6832110), (15, 5465688), (18, 4554740), (20, 4099266), (24, 3416055), (29, 2827080), (30, 2732844), (36, 2277370), (40, 2049633), (45, 1821896), (58, 1413540), (60, 1366422), (72, 1138685), (87, 942360), (90, 910948), (116, 706770), (120, 683211), (145, 565416), (174, 471180), (180, 455474), (232, 353385), (261, 314120), (290, 282708), (348, 235590), (360, 227737), (435, 188472), (522, 157060), (580, 141354), (696, 117795), (870, 94236), (1044, 78530), (1160, 70677), (1305, 62824), (1740, 47118), (2088, 39265), (2610, 31412), (3480, 23559), (5220, 15706), (7853, 10440)]