77280520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{62323}}^1$

素因数の和:62365

約数の個数: 32

約数和(自身を含む): 179493120

約数和(自身を除く): 102212600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 62323, 124646, 249292, 311615, 498584, 623230, 1246460, 1932013, 2492920, 3864026, 7728052, 9660065, 15456104, 19320130, 38640260, 77280520]

約数ペア:

[(1, 77280520), (2, 38640260), (4, 19320130), (5, 15456104), (8, 9660065), (10, 7728052), (20, 3864026), (31, 2492920), (40, 1932013), (62, 1246460), (124, 623230), (155, 498584), (248, 311615), (310, 249292), (620, 124646), (1240, 62323)]