66721968

素因数分解:

$2^4\times 3^5\times {\mathrm{131}}^2$

素因数の和:285

約数の個数: 90

約数和(自身を含む): 195134212

約数和(自身を除く): 128412244

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 131, 144, 162, 216, 243, 262, 324, 393, 432, 486, 524, 648, 786, 972, 1048, 1179, 1296, 1572, 1944, 2096, 2358, 3144, 3537, 3888, 4716, 6288, 7074, 9432, 10611, 14148, 17161, 18864, 21222, 28296, 31833, 34322, 42444, 51483, 56592, 63666, 68644, 84888, 102966, 127332, 137288, 154449, 169776, 205932, 254664, 274576, 308898, 411864, 463347, 509328, 617796, 823728, 926694, 1235592, 1390041, 1853388, 2471184, 2780082, 3706776, 4170123, 5560164, 7413552, 8340246, 11120328, 16680492, 22240656, 33360984, 66721968]

約数ペア:

[(1, 66721968), (2, 33360984), (3, 22240656), (4, 16680492), (6, 11120328), (8, 8340246), (9, 7413552), (12, 5560164), (16, 4170123), (18, 3706776), (24, 2780082), (27, 2471184), (36, 1853388), (48, 1390041), (54, 1235592), (72, 926694), (81, 823728), (108, 617796), (131, 509328), (144, 463347), (162, 411864), (216, 308898), (243, 274576), (262, 254664), (324, 205932), (393, 169776), (432, 154449), (486, 137288), (524, 127332), (648, 102966), (786, 84888), (972, 68644), (1048, 63666), (1179, 56592), (1296, 51483), (1572, 42444), (1944, 34322), (2096, 31833), (2358, 28296), (3144, 21222), (3537, 18864), (3888, 17161), (4716, 14148), (6288, 10611), (7074, 9432)]