31680120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1163}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 95541120

約数和(自身を除く): 63861000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 227, 454, 681, 908, 1135, 1163, 1362, 1816, 2270, 2326, 2724, 3405, 3489, 4540, 4652, 5448, 5815, 6810, 6978, 9080, 9304, 11630, 13620, 13956, 17445, 23260, 27240, 27912, 34890, 46520, 69780, 139560, 264001, 528002, 792003, 1056004, 1320005, 1584006, 2112008, 2640010, 3168012, 3960015, 5280020, 6336024, 7920030, 10560040, 15840060, 31680120]

約数ペア:

[(1, 31680120), (2, 15840060), (3, 10560040), (4, 7920030), (5, 6336024), (6, 5280020), (8, 3960015), (10, 3168012), (12, 2640010), (15, 2112008), (20, 1584006), (24, 1320005), (30, 1056004), (40, 792003), (60, 528002), (120, 264001), (227, 139560), (454, 69780), (681, 46520), (908, 34890), (1135, 27912), (1163, 27240), (1362, 23260), (1816, 17445), (2270, 13956), (2326, 13620), (2724, 11630), (3405, 9304), (3489, 9080), (4540, 6978), (4652, 6810), (5448, 5815)]