254664

素因数分解:

$2^3\times 3^5\times {\mathrm{131}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 720720

約数和(自身を除く): 466056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 131, 162, 216, 243, 262, 324, 393, 486, 524, 648, 786, 972, 1048, 1179, 1572, 1944, 2358, 3144, 3537, 4716, 7074, 9432, 10611, 14148, 21222, 28296, 31833, 42444, 63666, 84888, 127332, 254664]

約数ペア:

[(1, 254664), (2, 127332), (3, 84888), (4, 63666), (6, 42444), (8, 31833), (9, 28296), (12, 21222), (18, 14148), (24, 10611), (27, 9432), (36, 7074), (54, 4716), (72, 3537), (81, 3144), (108, 2358), (131, 1944), (162, 1572), (216, 1179), (243, 1048), (262, 972), (324, 786), (393, 648), (486, 524)]