198788580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{40903}}^1$

素因数の和:40927

約数の個数: 72

約数和(自身を含む): 625340352

約数和(自身を除く): 426551772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 40903, 81806, 122709, 163612, 204515, 245418, 368127, 409030, 490836, 613545, 736254, 818060, 1104381, 1227090, 1472508, 1840635, 2208762, 2454180, 3313143, 3681270, 4417524, 5521905, 6626286, 7362540, 9939429, 11043810, 13252572, 16565715, 19878858, 22087620, 33131430, 39757716, 49697145, 66262860, 99394290, 198788580]

約数ペア:

[(1, 198788580), (2, 99394290), (3, 66262860), (4, 49697145), (5, 39757716), (6, 33131430), (9, 22087620), (10, 19878858), (12, 16565715), (15, 13252572), (18, 11043810), (20, 9939429), (27, 7362540), (30, 6626286), (36, 5521905), (45, 4417524), (54, 3681270), (60, 3313143), (81, 2454180), (90, 2208762), (108, 1840635), (135, 1472508), (162, 1227090), (180, 1104381), (243, 818060), (270, 736254), (324, 613545), (405, 490836), (486, 409030), (540, 368127), (810, 245418), (972, 204515), (1215, 163612), (1620, 122709), (2430, 81806), (4860, 40903)]