2017996020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{260723}}^1$

素因数の和:260781

約数の個数: 72

約数和(自身を含む): 6263633376

約数和(自身を除く): 4245637356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 260723, 521446, 782169, 1042892, 1303615, 1564338, 2346507, 2607230, 3128676, 3910845, 4693014, 5214460, 7821690, 9386028, 11211089, 11732535, 15643380, 22422178, 23465070, 33633267, 44844356, 46930140, 56055445, 67266534, 100899801, 112110890, 134533068, 168166335, 201799602, 224221780, 336332670, 403599204, 504499005, 672665340, 1008998010, 2017996020]

約数ペア:

[(1, 2017996020), (2, 1008998010), (3, 672665340), (4, 504499005), (5, 403599204), (6, 336332670), (9, 224221780), (10, 201799602), (12, 168166335), (15, 134533068), (18, 112110890), (20, 100899801), (30, 67266534), (36, 56055445), (43, 46930140), (45, 44844356), (60, 33633267), (86, 23465070), (90, 22422178), (129, 15643380), (172, 11732535), (180, 11211089), (215, 9386028), (258, 7821690), (387, 5214460), (430, 4693014), (516, 3910845), (645, 3128676), (774, 2607230), (860, 2346507), (1290, 1564338), (1548, 1303615), (1935, 1042892), (2580, 782169), (3870, 521446), (7740, 260723)]