77263760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:792

約数の個数: 80

約数和(自身を含む): 206451072

約数和(自身を除く): 129187312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 491, 560, 562, 982, 1124, 1405, 1964, 1967, 2248, 2455, 2810, 3437, 3928, 3934, 4496, 4910, 5620, 6874, 7856, 7868, 9820, 9835, 11240, 13748, 15736, 17185, 19640, 19670, 22480, 27496, 31472, 34370, 39280, 39340, 54992, 68740, 78680, 137480, 137971, 157360, 274960, 275942, 551884, 689855, 965797, 1103768, 1379710, 1931594, 2207536, 2759420, 3863188, 4828985, 5518840, 7726376, 9657970, 11037680, 15452752, 19315940, 38631880, 77263760]

約数ペア:

[(1, 77263760), (2, 38631880), (4, 19315940), (5, 15452752), (7, 11037680), (8, 9657970), (10, 7726376), (14, 5518840), (16, 4828985), (20, 3863188), (28, 2759420), (35, 2207536), (40, 1931594), (56, 1379710), (70, 1103768), (80, 965797), (112, 689855), (140, 551884), (280, 275942), (281, 274960), (491, 157360), (560, 137971), (562, 137480), (982, 78680), (1124, 68740), (1405, 54992), (1964, 39340), (1967, 39280), (2248, 34370), (2455, 31472), (2810, 27496), (3437, 22480), (3928, 19670), (3934, 19640), (4496, 17185), (4910, 15736), (5620, 13748), (6874, 11240), (7856, 9835), (7868, 9820)]