39843540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20123}}^1$

素因数の和:20149

約数の個数: 72

約数和(自身を含む): 131852448

約数和(自身を除く): 92008908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 20123, 40246, 60369, 80492, 100615, 120738, 181107, 201230, 221353, 241476, 301845, 362214, 402460, 442706, 603690, 664059, 724428, 885412, 905535, 1106765, 1207380, 1328118, 1811070, 1992177, 2213530, 2656236, 3320295, 3622140, 3984354, 4427060, 6640590, 7968708, 9960885, 13281180, 19921770, 39843540]

約数ペア:

[(1, 39843540), (2, 19921770), (3, 13281180), (4, 9960885), (5, 7968708), (6, 6640590), (9, 4427060), (10, 3984354), (11, 3622140), (12, 3320295), (15, 2656236), (18, 2213530), (20, 1992177), (22, 1811070), (30, 1328118), (33, 1207380), (36, 1106765), (44, 905535), (45, 885412), (55, 724428), (60, 664059), (66, 603690), (90, 442706), (99, 402460), (110, 362214), (132, 301845), (165, 241476), (180, 221353), (198, 201230), (220, 181107), (330, 120738), (396, 100615), (495, 80492), (660, 60369), (990, 40246), (1980, 20123)]