64800180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2293}}^1$

素因数の和:2465

約数の個数: 72

約数和(自身を含む): 197898792

約数和(自身を除く): 133098612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2293, 2355, 2826, 3140, 4586, 4710, 5652, 6879, 7065, 9172, 9420, 11465, 13758, 14130, 20637, 22930, 27516, 28260, 34395, 41274, 45860, 68790, 82548, 103185, 137580, 206370, 360001, 412740, 720002, 1080003, 1440004, 1800005, 2160006, 3240009, 3600010, 4320012, 5400015, 6480018, 7200020, 10800030, 12960036, 16200045, 21600060, 32400090, 64800180]

約数ペア:

[(1, 64800180), (2, 32400090), (3, 21600060), (4, 16200045), (5, 12960036), (6, 10800030), (9, 7200020), (10, 6480018), (12, 5400015), (15, 4320012), (18, 3600010), (20, 3240009), (30, 2160006), (36, 1800005), (45, 1440004), (60, 1080003), (90, 720002), (157, 412740), (180, 360001), (314, 206370), (471, 137580), (628, 103185), (785, 82548), (942, 68790), (1413, 45860), (1570, 41274), (1884, 34395), (2293, 28260), (2355, 27516), (2826, 22930), (3140, 20637), (4586, 14130), (4710, 13758), (5652, 11465), (6879, 9420), (7065, 9172)]