64904520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{540871}}^1$

素因数の和:540885

約数の個数: 32

約数和(自身を含む): 194713920

約数和(自身を除く): 129809400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 540871, 1081742, 1622613, 2163484, 2704355, 3245226, 4326968, 5408710, 6490452, 8113065, 10817420, 12980904, 16226130, 21634840, 32452260, 64904520]

約数ペア:

[(1, 64904520), (2, 32452260), (3, 21634840), (4, 16226130), (5, 12980904), (6, 10817420), (8, 8113065), (10, 6490452), (12, 5408710), (15, 4326968), (20, 3245226), (24, 2704355), (30, 2163484), (40, 1622613), (60, 1081742), (120, 540871)]