65198520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{20123}}^1$

素因数の和:20146

約数の個数: 80

約数和(自身を含む): 219150360

約数和(自身を除く): 153951840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 20123, 40246, 60369, 80492, 100615, 120738, 160984, 181107, 201230, 241476, 301845, 362214, 402460, 482952, 543321, 603690, 724428, 804920, 905535, 1086642, 1207380, 1448856, 1629963, 1811070, 2173284, 2414760, 2716605, 3259926, 3622140, 4346568, 5433210, 6519852, 7244280, 8149815, 10866420, 13039704, 16299630, 21732840, 32599260, 65198520]

約数ペア:

[(1, 65198520), (2, 32599260), (3, 21732840), (4, 16299630), (5, 13039704), (6, 10866420), (8, 8149815), (9, 7244280), (10, 6519852), (12, 5433210), (15, 4346568), (18, 3622140), (20, 3259926), (24, 2716605), (27, 2414760), (30, 2173284), (36, 1811070), (40, 1629963), (45, 1448856), (54, 1207380), (60, 1086642), (72, 905535), (81, 804920), (90, 724428), (108, 603690), (120, 543321), (135, 482952), (162, 402460), (180, 362214), (216, 301845), (270, 241476), (324, 201230), (360, 181107), (405, 160984), (540, 120738), (648, 100615), (810, 80492), (1080, 60369), (1620, 40246), (3240, 20123)]