280378740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{203173}}^1$

素因数の和:203208

約数の個数: 48

約数和(自身を含む): 819197568

約数和(自身を除く): 538818828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 203173, 406346, 609519, 812692, 1015865, 1219038, 2031730, 2438076, 3047595, 4063460, 4672979, 6095190, 9345958, 12190380, 14018937, 18691916, 23364895, 28037874, 46729790, 56075748, 70094685, 93459580, 140189370, 280378740]

約数ペア:

[(1, 280378740), (2, 140189370), (3, 93459580), (4, 70094685), (5, 56075748), (6, 46729790), (10, 28037874), (12, 23364895), (15, 18691916), (20, 14018937), (23, 12190380), (30, 9345958), (46, 6095190), (60, 4672979), (69, 4063460), (92, 3047595), (115, 2438076), (138, 2031730), (230, 1219038), (276, 1015865), (345, 812692), (460, 609519), (690, 406346), (1380, 203173)]