81695820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71663}}^1$

素因数の和:71694

約数の個数: 48

約数和(自身を含む): 240791040

約数和(自身を除く): 159095220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71663, 143326, 214989, 286652, 358315, 429978, 716630, 859956, 1074945, 1361597, 1433260, 2149890, 2723194, 4084791, 4299780, 5446388, 6807985, 8169582, 13615970, 16339164, 20423955, 27231940, 40847910, 81695820]

約数ペア:

[(1, 81695820), (2, 40847910), (3, 27231940), (4, 20423955), (5, 16339164), (6, 13615970), (10, 8169582), (12, 6807985), (15, 5446388), (19, 4299780), (20, 4084791), (30, 2723194), (38, 2149890), (57, 1433260), (60, 1361597), (76, 1074945), (95, 859956), (114, 716630), (190, 429978), (228, 358315), (285, 286652), (380, 214989), (570, 143326), (1140, 71663)]