77144520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{642871}}^1$

素因数の和:642885

約数の個数: 32

約数和(自身を含む): 231433920

約数和(自身を除く): 154289400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 642871, 1285742, 1928613, 2571484, 3214355, 3857226, 5142968, 6428710, 7714452, 9643065, 12857420, 15428904, 19286130, 25714840, 38572260, 77144520]

約数ペア:

[(1, 77144520), (2, 38572260), (3, 25714840), (4, 19286130), (5, 15428904), (6, 12857420), (8, 9643065), (10, 7714452), (12, 6428710), (15, 5142968), (20, 3857226), (24, 3214355), (30, 2571484), (40, 1928613), (60, 1285742), (120, 642871)]