129967920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{180511}}^1$

素因数の和:180530

約数の個数: 60

約数和(自身を含む): 436478016

約数和(自身を除く): 306510096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 180511, 361022, 541533, 722044, 902555, 1083066, 1444088, 1624599, 1805110, 2166132, 2707665, 2888176, 3249198, 3610220, 4332264, 5415330, 6498396, 7220440, 8122995, 8664528, 10830660, 12996792, 14440880, 16245990, 21661320, 25993584, 32491980, 43322640, 64983960, 129967920]

約数ペア:

[(1, 129967920), (2, 64983960), (3, 43322640), (4, 32491980), (5, 25993584), (6, 21661320), (8, 16245990), (9, 14440880), (10, 12996792), (12, 10830660), (15, 8664528), (16, 8122995), (18, 7220440), (20, 6498396), (24, 5415330), (30, 4332264), (36, 3610220), (40, 3249198), (45, 2888176), (48, 2707665), (60, 2166132), (72, 1805110), (80, 1624599), (90, 1444088), (120, 1083066), (144, 902555), (180, 722044), (240, 541533), (360, 361022), (720, 180511)]