788120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 2008800

約数和(自身を除く): 1220680

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 61, 68, 76, 85, 95, 122, 136, 152, 170, 190, 244, 305, 323, 340, 380, 488, 610, 646, 680, 760, 1037, 1159, 1220, 1292, 1615, 2074, 2318, 2440, 2584, 3230, 4148, 4636, 5185, 5795, 6460, 8296, 9272, 10370, 11590, 12920, 19703, 20740, 23180, 39406, 41480, 46360, 78812, 98515, 157624, 197030, 394060, 788120]

約数ペア:

[(1, 788120), (2, 394060), (4, 197030), (5, 157624), (8, 98515), (10, 78812), (17, 46360), (19, 41480), (20, 39406), (34, 23180), (38, 20740), (40, 19703), (61, 12920), (68, 11590), (76, 10370), (85, 9272), (95, 8296), (122, 6460), (136, 5795), (152, 5185), (170, 4636), (190, 4148), (244, 3230), (305, 2584), (323, 2440), (340, 2318), (380, 2074), (488, 1615), (610, 1292), (646, 1220), (680, 1159), (760, 1037)]