66886740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2053}}^1$

素因数の和:2249

約数の個数: 72

約数和(自身を含む): 204110088

約数和(自身を除く): 137223348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2053, 2172, 2715, 3258, 3620, 4106, 5430, 6159, 6516, 8145, 8212, 10265, 10860, 12318, 16290, 18477, 20530, 24636, 30795, 32580, 36954, 41060, 61590, 73908, 92385, 123180, 184770, 369540, 371593, 743186, 1114779, 1486372, 1857965, 2229558, 3344337, 3715930, 4459116, 5573895, 6688674, 7431860, 11147790, 13377348, 16721685, 22295580, 33443370, 66886740]

約数ペア:

[(1, 66886740), (2, 33443370), (3, 22295580), (4, 16721685), (5, 13377348), (6, 11147790), (9, 7431860), (10, 6688674), (12, 5573895), (15, 4459116), (18, 3715930), (20, 3344337), (30, 2229558), (36, 1857965), (45, 1486372), (60, 1114779), (90, 743186), (180, 371593), (181, 369540), (362, 184770), (543, 123180), (724, 92385), (905, 73908), (1086, 61590), (1629, 41060), (1810, 36954), (2053, 32580), (2172, 30795), (2715, 24636), (3258, 20530), (3620, 18477), (4106, 16290), (5430, 12318), (6159, 10860), (6516, 10265), (8145, 8212)]