218403540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{44939}}^1$

素因数の和:44963

約数の個数: 72

約数和(自身を含む): 687042720

約数和(自身を除く): 468639180

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, 44939, 89878, 134817, 179756, 224695, 269634, 404451, 449390, 539268, 674085, 808902, 898780, 1213353, 1348170, 1617804, 2022255, 2426706, 2696340, 3640059, 4044510, 4853412, 6066765, 7280118, 8089020, 10920177, 12133530, 14560236, 18200295, 21840354, 24267060, 36400590, 43680708, 54600885, 72801180, 109201770, 218403540]

約数ペア:

[(1, 218403540), (2, 109201770), (3, 72801180), (4, 54600885), (5, 43680708), (6, 36400590), (9, 24267060), (10, 21840354), (12, 18200295), (15, 14560236), (18, 12133530), (20, 10920177), (27, 8089020), (30, 7280118), (36, 6066765), (45, 4853412), (54, 4044510), (60, 3640059), (81, 2696340), (90, 2426706), (108, 2022255), (135, 1617804), (162, 1348170), (180, 1213353), (243, 898780), (270, 808902), (324, 674085), (405, 539268), (486, 449390), (540, 404451), (810, 269634), (972, 224695), (1215, 179756), (1620, 134817), (2430, 89878), (4860, 44939)]