81751890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10771}}^1$

素因数の和:10815

約数の個数: 64

約数和(自身を含む): 223368192

約数和(自身を除く): 141616302

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 3795, 7590, 10771, 21542, 32313, 53855, 64626, 107710, 118481, 161565, 236962, 247733, 323130, 355443, 495466, 592405, 710886, 743199, 1184810, 1238665, 1486398, 1777215, 2477330, 2725063, 3554430, 3715995, 5450126, 7431990, 8175189, 13625315, 16350378, 27250630, 40875945, 81751890]

約数ペア:

[(1, 81751890), (2, 40875945), (3, 27250630), (5, 16350378), (6, 13625315), (10, 8175189), (11, 7431990), (15, 5450126), (22, 3715995), (23, 3554430), (30, 2725063), (33, 2477330), (46, 1777215), (55, 1486398), (66, 1238665), (69, 1184810), (110, 743199), (115, 710886), (138, 592405), (165, 495466), (230, 355443), (253, 323130), (330, 247733), (345, 236962), (506, 161565), (690, 118481), (759, 107710), (1265, 64626), (1518, 53855), (2530, 32313), (3795, 21542), (7590, 10771)]