78656520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{655471}}^1$

素因数の和:655485

約数の個数: 32

約数和(自身を含む): 235969920

約数和(自身を除く): 157313400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 655471, 1310942, 1966413, 2621884, 3277355, 3932826, 5243768, 6554710, 7865652, 9832065, 13109420, 15731304, 19664130, 26218840, 39328260, 78656520]

約数ペア:

[(1, 78656520), (2, 39328260), (3, 26218840), (4, 19664130), (5, 15731304), (6, 13109420), (8, 9832065), (10, 7865652), (12, 6554710), (15, 5243768), (20, 3932826), (24, 3277355), (30, 2621884), (40, 1966413), (60, 1310942), (120, 655471)]