15663406420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2957}}^1\times {\mathrm{3191}}^1$

素因数の和:6240

約数の個数: 48

約数和(自身を含む): 33311150208

約数和(自身を除く): 17647743788

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 2957, 3191, 5914, 6382, 11828, 12764, 14785, 15955, 29570, 31910, 59140, 63820, 245431, 264853, 490862, 529706, 981724, 1059412, 1227155, 1324265, 2454310, 2648530, 4908620, 5297060, 9435787, 18871574, 37743148, 47178935, 94357870, 188715740, 783170321, 1566340642, 3132681284, 3915851605, 7831703210, 15663406420]

約数ペア:

[(1, 15663406420), (2, 7831703210), (4, 3915851605), (5, 3132681284), (10, 1566340642), (20, 783170321), (83, 188715740), (166, 94357870), (332, 47178935), (415, 37743148), (830, 18871574), (1660, 9435787), (2957, 5297060), (3191, 4908620), (5914, 2648530), (6382, 2454310), (11828, 1324265), (12764, 1227155), (14785, 1059412), (15955, 981724), (29570, 529706), (31910, 490862), (59140, 264853), (63820, 245431)]