87690780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 279508320

約数和(自身を除く): 191817540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 107, 116, 145, 157, 174, 180, 214, 261, 290, 314, 321, 348, 428, 435, 471, 522, 535, 580, 628, 642, 785, 870, 942, 963, 1044, 1070, 1284, 1305, 1413, 1570, 1605, 1740, 1884, 1926, 2140, 2355, 2610, 2826, 3103, 3140, 3210, 3852, 4553, 4710, 4815, 5220, 5652, 6206, 6420, 7065, 9106, 9309, 9420, 9630, 12412, 13659, 14130, 15515, 16799, 18212, 18618, 19260, 22765, 27318, 27927, 28260, 31030, 33598, 37236, 40977, 45530, 46545, 50397, 54636, 55854, 62060, 67196, 68295, 81954, 83995, 91060, 93090, 100794, 111708, 136590, 139635, 151191, 163908, 167990, 186180, 201588, 204885, 251985, 273180, 279270, 302382, 335980, 409770, 487171, 503970, 558540, 604764, 755955, 819540, 974342, 1007940, 1461513, 1511910, 1948684, 2435855, 2923026, 3023820, 4384539, 4871710, 5846052, 7307565, 8769078, 9743420, 14615130, 17538156, 21922695, 29230260, 43845390, 87690780]

約数ペア:

[(1, 87690780), (2, 43845390), (3, 29230260), (4, 21922695), (5, 17538156), (6, 14615130), (9, 9743420), (10, 8769078), (12, 7307565), (15, 5846052), (18, 4871710), (20, 4384539), (29, 3023820), (30, 2923026), (36, 2435855), (45, 1948684), (58, 1511910), (60, 1461513), (87, 1007940), (90, 974342), (107, 819540), (116, 755955), (145, 604764), (157, 558540), (174, 503970), (180, 487171), (214, 409770), (261, 335980), (290, 302382), (314, 279270), (321, 273180), (348, 251985), (428, 204885), (435, 201588), (471, 186180), (522, 167990), (535, 163908), (580, 151191), (628, 139635), (642, 136590), (785, 111708), (870, 100794), (942, 93090), (963, 91060), (1044, 83995), (1070, 81954), (1284, 68295), (1305, 67196), (1413, 62060), (1570, 55854), (1605, 54636), (1740, 50397), (1884, 46545), (1926, 45530), (2140, 40977), (2355, 37236), (2610, 33598), (2826, 31030), (3103, 28260), (3140, 27927), (3210, 27318), (3852, 22765), (4553, 19260), (4710, 18618), (4815, 18212), (5220, 16799), (5652, 15515), (6206, 14130), (6420, 13659), (7065, 12412), (9106, 9630), (9309, 9420)]