21714480

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1117}}^1$

素因数の和:1145

約数の個数: 120

約数和(自身を含む): 75693072

約数和(自身を除く): 53978592

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, 1080, 1117, 1215, 1296, 1620, 1944, 2160, 2234, 2430, 3240, 3351, 3888, 4468, 4860, 5585, 6480, 6702, 8936, 9720, 10053, 11170, 13404, 16755, 17872, 19440, 20106, 22340, 26808, 30159, 33510, 40212, 44680, 50265, 53616, 60318, 67020, 80424, 89360, 90477, 100530, 120636, 134040, 150795, 160848, 180954, 201060, 241272, 268080, 271431, 301590, 361908, 402120, 452385, 482544, 542862, 603180, 723816, 804240, 904770, 1085724, 1206360, 1357155, 1447632, 1809540, 2171448, 2412720, 2714310, 3619080, 4342896, 5428620, 7238160, 10857240, 21714480]

約数ペア:

[(1, 21714480), (2, 10857240), (3, 7238160), (4, 5428620), (5, 4342896), (6, 3619080), (8, 2714310), (9, 2412720), (10, 2171448), (12, 1809540), (15, 1447632), (16, 1357155), (18, 1206360), (20, 1085724), (24, 904770), (27, 804240), (30, 723816), (36, 603180), (40, 542862), (45, 482544), (48, 452385), (54, 402120), (60, 361908), (72, 301590), (80, 271431), (81, 268080), (90, 241272), (108, 201060), (120, 180954), (135, 160848), (144, 150795), (162, 134040), (180, 120636), (216, 100530), (240, 90477), (243, 89360), (270, 80424), (324, 67020), (360, 60318), (405, 53616), (432, 50265), (486, 44680), (540, 40212), (648, 33510), (720, 30159), (810, 26808), (972, 22340), (1080, 20106), (1117, 19440), (1215, 17872), (1296, 16755), (1620, 13404), (1944, 11170), (2160, 10053), (2234, 9720), (2430, 8936), (3240, 6702), (3351, 6480), (3888, 5585), (4468, 4860)]