25479540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{401}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 77700168

約数和(自身を除く): 52220628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 353, 401, 706, 802, 1059, 1203, 1412, 1604, 1765, 2005, 2118, 2406, 3177, 3530, 3609, 4010, 4236, 4812, 5295, 6015, 6354, 7060, 7218, 8020, 10590, 12030, 12708, 14436, 15885, 18045, 21180, 24060, 31770, 36090, 63540, 72180, 141553, 283106, 424659, 566212, 707765, 849318, 1273977, 1415530, 1698636, 2123295, 2547954, 2831060, 4246590, 5095908, 6369885, 8493180, 12739770, 25479540]

約数ペア:

[(1, 25479540), (2, 12739770), (3, 8493180), (4, 6369885), (5, 5095908), (6, 4246590), (9, 2831060), (10, 2547954), (12, 2123295), (15, 1698636), (18, 1415530), (20, 1273977), (30, 849318), (36, 707765), (45, 566212), (60, 424659), (90, 283106), (180, 141553), (353, 72180), (401, 63540), (706, 36090), (802, 31770), (1059, 24060), (1203, 21180), (1412, 18045), (1604, 15885), (1765, 14436), (2005, 12708), (2118, 12030), (2406, 10590), (3177, 8020), (3530, 7218), (3609, 7060), (4010, 6354), (4236, 6015), (4812, 5295)]