20198160

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1039}}^1$

素因数の和:1067

約数の個数: 120

約数和(自身を含む): 70412160

約数和(自身を除く): 50214000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1039, 1080, 1215, 1296, 1620, 1944, 2078, 2160, 2430, 3117, 3240, 3888, 4156, 4860, 5195, 6234, 6480, 8312, 9351, 9720, 10390, 12468, 15585, 16624, 18702, 19440, 20780, 24936, 28053, 31170, 37404, 41560, 46755, 49872, 56106, 62340, 74808, 83120, 84159, 93510, 112212, 124680, 140265, 149616, 168318, 187020, 224424, 249360, 252477, 280530, 336636, 374040, 420795, 448848, 504954, 561060, 673272, 748080, 841590, 1009908, 1122120, 1262385, 1346544, 1683180, 2019816, 2244240, 2524770, 3366360, 4039632, 5049540, 6732720, 10099080, 20198160]

約数ペア:

[(1, 20198160), (2, 10099080), (3, 6732720), (4, 5049540), (5, 4039632), (6, 3366360), (8, 2524770), (9, 2244240), (10, 2019816), (12, 1683180), (15, 1346544), (16, 1262385), (18, 1122120), (20, 1009908), (24, 841590), (27, 748080), (30, 673272), (36, 561060), (40, 504954), (45, 448848), (48, 420795), (54, 374040), (60, 336636), (72, 280530), (80, 252477), (81, 249360), (90, 224424), (108, 187020), (120, 168318), (135, 149616), (144, 140265), (162, 124680), (180, 112212), (216, 93510), (240, 84159), (243, 83120), (270, 74808), (324, 62340), (360, 56106), (405, 49872), (432, 46755), (486, 41560), (540, 37404), (648, 31170), (720, 28053), (810, 24936), (972, 20780), (1039, 19440), (1080, 18702), (1215, 16624), (1296, 15585), (1620, 12468), (1944, 10390), (2078, 9720), (2160, 9351), (2430, 8312), (3117, 6480), (3240, 6234), (3888, 5195), (4156, 4860)]